Poll Tracker

No Clear Favorite

• Mississippi: Roger Wicker, appointed to fill out the term of retired Sen. Trent Lott, has a modest lead over former Gov. Ronnie Musgrove, leading him 48 percent to 43 percent with 9 percent undecided in a Research 2000 poll conducted Sept. 8-10. The margin of error is 4 points. A Rasmussen Reports poll conducted Aug .21 had Wicker ahead 47 percent to 42 percent advantage. Three percent preferred "other," 7 percent were undecided and the margin of error was 4.5 percent. If "leaners" were counted, Wicker's lead was a little bigger. Wicker's favorable-to-unfavorable numbers were 59 percent to 29 percent while Musgrove's were 49 percent to 44 percent. Thad Cochran, seeking a sixth term, was way out in front in his race against former state legislator Erik Fleming 59 percent to 32 percent in Rasmussen's June poll. CQ Politics rates Cochran's race "Safe Republican" and the Wicker-Musgrove contest as "No Clear Favorite."

• North Carolina: Recent polls present different pictures of this race with some having Republican Sen. Elizabeth Dole ahead, one with Democratic challenger Kay Hagan leading Dole and another showing a statistical tie. A Public Policy Polling Survey conducted Sept. 17-19 shows Hagan leading 46 percent to 41 percent with 6 percent for Libertarian Chris Cole and 7 percent undecided. The margin of error is 3 percent. On the issue of the economy, voters favor Hagan over Dole 57 percent to 30 percent. An Elon University poll conducted Sept. 15-18 has Hagan and Dole tied at 35 percent each. Forty-eight percent voiced dissatisfaction with Dole, a jump of 22 points since the last survey in April. A [Research 2000 poll] conducted Sept. 8-10 has Dole ahead by 48 percent to 42 percent with 4 percent choosing "other" and 4 percent undecided. The margin of error was 4 points. A SurveyUSA poll conducted Sept. 6-8 had Dole ahead 48 percent to 40 percent with 7 percent for Cole and 5 percent undecided. the margin of error is 3.9 percent. SurveyUSA's last poll had Dole ahead by 5 points. CQ Politics rates the race as "No Clear Favorite."

Leans Democratic

• Alaska: Democrat Mark Begich, the mayor of Anchorage, has seen his August leads over Republican Ted Stevens drop in some polls, but he leads in the latest Research 200 survey conducted Sept. 15-17 by 50 percent to 44 percent with 6 percent undecided. The margin of error is 4 percent. Begich's favorable to unfavorable numbers are 56 percent to 32 percent while Stevens is now viewed unfavorably by 56 percent and favorably by 40 percent. A Rasmussen Reports poll conducted Sept. 9 had Begich ahead by a statistically insignificant 48 percent to 46 percent with 2 percent choosing other and 3 percent undecided. The margin of error is 4.5 points. Stevens' favorable to unfavorable numbers are 52 percent to 45 percent compared to 61 percent to 34 percent for Begich. An Ivan Moore Research poll conducted for the Anchorage Press Aug. 30 - Sept. 1 had Begich ahead 48.9 percent to 45.6 percent margin with 3.1 percent undecided. CQ Politics rates this race "Leans Democrat."

• Colorado: Democrat Mark Udall leads Republican Rep. Bob Schaffer 48 percent to 40 percent with 1 percent preferring "other" and 11 percent undecided in a Washington Post/Wall Street Journal/Quinnipiac University poll conducted Sept. 14-21. The margin of error is 2.6 percent. Udall has an 18 point lead among independents. A Suffolk University poll conducted Aug. 21-24 had Udall ahead 39 percent to 31 percent with 22 percent undecided. The margin of error was 4.6 percent. A Mason-Dixon Research for the Denver Post conducted Aug. 13-15 had Udall ahead by 10 points. However, the paper did not provide the actual figures for each beyond their favorable-to-unfavorable ratios which were 42 percent to 23 percent for Udall and 27 percent to 25 percent for Schaffer with 39 percent providing no view. A Rasmussen Reports poll conducted Aug.13 had Udall ahead 47 percent to 41 percent with 3 percent choosing "other" and 10 percent undecided in. The margin of error is 4.5 percent. Udall had led by 4 points in last month's Rasmussen poll. Udall's favorable to unfavorable ratio is 53 percent to 39 percent while Schaffer's is 48 percent to 38 percent. Udall and Schaffer are vying to fill the seat of retiring GOP Sen. Wayne Allard. CQ Politics rates this race "Leans Democrat."

• Louisiana: Democratic incumbent Mary Landrieu, seeking a third term, opened a 53 percent to 37 percent lead over Republican challenger John Kennedy in a Rasmussen Reports poll conducted August 19. Four percent chose "other" and 6 percent were undecided. The margin of error is 4.5 percent. In June, Rasmussen had these two within the margin of error is each other with Landrieu leading by 3 points. Landrieu's favorable to unfavorable numbers are 59 percent to 39 percent and Kennedy's are 52 percent to 42 percent. CQ Politics currently rates the race "Leans Democratic."

• New Hampshire: Democrat Jeanne Shaheen, the former governor, leads Republican incumbent John Sununu 48 percent to 44 percent with 2 percent preferring someone else and 7 percent undecided in a WMUR/Granite State poll conducted Sept. 14-21. The margin of error is 4.2 percent. Sununu's favorable to unfavorable numbers are 44 percent to 37 percent while Shaheen's are 47 percent to 40 percent. A Rasmussen Reports poll conducted Aug. 19 had Shaheen ahead by 51 percent to 40 percent with 3 percent choosing "other" and 6 percent undecided. The margin of error is 4 percent. Shaheen's favorable-to-unfavorable ratio is 55 percent to 39 percent while Sununu's is 49 percent to 44 percent. Shaheen enjoys a 25 point lead among unaffiliated voters. An American Research Group poll conducted Aug. 18-20 has Shaheen ahead of Sununu 52 percent to 42 percent with 7 percent undecided. The margin of error is 4 percent. Shaheen lead among independents by nearly 2-to-1. CQ Politics rates this race "Leans Democrat."

Leans Republican

• Maine: Republican Sen. Susan Collins has opened comfortable leads in recent polls. A Rasmussen Reports poll conducted Sept. 17 has her leading Rep. Tom Allen 55 percent to 42 percent with 1 percent preferring "other" and 2 percent undecided. The margin of error is 4.5 percent. Her favorable to unfavorable numbers are 66 percent to 32 percent while Allen's are 55 percent to 40 percent. A Research 2000 survey conducted Sept. 8-10 put her ahead 57 percent to 38 percent with 5 percent undecided. The margin of error is 4 percent. CQ Politics rates this race "Leans Republican."

• Minnesota: Republican first-termer Norm Coleman leads Democrat Al Franken 49 percent to 42 percent with 3 percent preferring someone else and 6 percent undecided in a Washington Post/Wall Street Journal/Quinnipiac University poll conducted Sept. 14-21. The margin of error is 2.7 percent. This poll did not include Independence Party candidate Dean Barkley. A Rasmussen Reports poll released Sept. 22 had Coleman ahead 48 percent to 47 percent with Barkley getting 3 percent. A SurveyUSA poll conducted Sept. 10-11 had Coleman in a statistical tie with Franken, leading him 41 percent to 40 percent with 14 percent for Barkley. The margin of error was 3.7 percent. CQ Politics rates this race "Leans Republican."

• Oregon: Two-term Republican Gordon Smith is in a statistical tie with Democratic challenger Jeff Merkley, the speaker of the state House, leading him 46 percent to 45 percent with 2 percent choosing "other" and 7 percent undecided in a Rasmussen Reports poll conducted Sept. 15. The margin of error is 4 points. Smith's favorable to unfavorable ratio is 49 percent to 46 percent while Merkley is viewed unfavorably by 46 percent and favorably by 45 percent. For more background on the race, and Smith's efforts to distance himself from the Bush administration and his party, see our story "Parties Debate Smith's Independence on the Campaign Trail" and the Washington Post's "On Obama's Coattails, an Uninvited Rider." CQ Politics rates this race "Leans Republican."

Democrat Favored

• New Jersey: Democrat Frank Lautenberg leads former Republican Rep. Dick Zimmer 51 percent to 40 percent with 1 percent choosing "other" and 8 percent undecided among likely voters sampled in a Marist Poll conducted Sept. 5-8. The margin of error is 3.5 percent. CQ Politics rates this race "Democrat Favored."

• New Mexico: Rep. Tom Udall is leading Rep. Steven Pearce 57 percent to 37 percent with 6 percent undecided in a [Public Policy Polling survey] conducted Sept. 17-19. A SurveyUSA poll conducted Sept. 14-16 had Udall ahead 56 percent to 41 percent with 3 percent undecided. The margin of error was 3.8 percent. Udall led across the board in all gender and age groups. A Rasmussen Reports poll conducted Aug. 20 had Udall ahead 51 percent to 41 percent with 2 percent choosing "other" and 5 percent undecided. The margin of error was 4 percent. Udall enjoyed a 59 percent favorable rating compared to 53 percent for Pearce. Pearce had considerably cut into Udall's lead which was 25 points in July. Udall's favorable rating slipped some, while Pearce's went up. Retiring GOP Sen. Pete V. Domenici had held this seat since 1973. CQ Politics is changing the rating on this race from "Leans Democrat" to "Democrat Favored."

• Virginia: In a race between former governors, Democrat Mark Warner continues to hold a big lead over Republican Jim Gilmore, running ahead of him 61 percent to 31 percent among likely voters with 5 percent expressing no opinion in a Washington Post/ABC News poll conducted Sept. 18-21. A SurveyUSA poll conducted Sept. 12-14 had him ahead 57 percent to 34 percent . A Christopher Newport University poll released Sept. 17 has Warner ahead 54 percent to 30 percent. CQ Politics rates the race "Democrat Favored."

Republican Favored

• Alabama: Two-term Republican Sen. Jeff Sessions leads Democrat Vivian Davis Figures by 66 percent to 31 percent in a SurveyUSA poll conducted Sept. 16-17. CQ Politics rates the race "Republican Favored."

• Georgia: First term Republican Saxby Chambliss leads Democrat Jim Martin , an Atlanta attorney and former legislator, 53 percent to 36 percent with 8 percent for Llibertarian Allen Buckley and 3 percent undecided. The margin of error is 3.8 percent. A Rasmussen Reports poll conducted Sept. 16 has Chambliss ahead by a lesser 50 percent to 43 percent with 2 percent for Buckley and 4 percent undecided. The margin of error is 4.5 percent. Chambliss' favorable to unfavorable ratio is 59 percent to 31 percent, while Martin's is 49 percent to 32 percent, but being lesser known, 18 percent said they were "not sure" about Martin compared to 10 percent for Chambliss. CQ Politics rates this race Republican Favored.

• Kansas: Two-term Republican Roberts appears safely ahead of his Democratic challenger, Rep. Jim Slattery. He leads him 58 percent to 38 percent with 1 percent choosing "other" and 3 percent undecided in a Rasmussen Reports poll conducted Sept. 18. A SurveyUSA poll conducted Aug. 18-20 has him leading 58 percent to 31 percent with 5 percent for Libertarian Randall Hodgkinson, 2 percent for Reform Party candidate Joseph Martin and 5 percent undecided. The margin of error is 3.9 percent. Roberts has 83 percent support among Republicans to Slattery's 64 percent support among fellow Democrats. About a quarter of Democrats support Roberts. The last Democrat to win a Senate seat in Kansas was George McGill who was elected in 1930 to replace Charles Curtis who had resigned to become Herbert Hoover's vice president, was re-elected in 1932 and served until 1939. CQ Politics rates this race "Republican Favored."

• Kentucky: Republican Sen. Mitch McConnell's lead over Democratic challenger Bruce Lunsford, a Louisville businessman, dropped sharply in a SurveyUSA poll conducted Sept. 21-22, with mcConnell's margin only 49 percent to 46 percent with 5 percent undecided. The margin of error is 3.9 percent. On the issue of the economy, McConnell had a 6 point lead six weeks ago and now trails Lunsford by 9 points. McConnell's 11 point lead among women has vanished. A Research 2000 poll conducted Sept. 15-17 had McConnell ahead 50 percent to 37 percent with 13 percent undecided. The margin of error was 4 points. CQ Politics rates this race "Republican Favored."

• Nebraska: Republican Mike Johanns, a former governor and Secretary of Agriculture in the Bush administration, leads Democrat Scott Kleeb, a rancher and professor, by 56 percent to 31 percent in a Rasmussen Reports survey conducted July 28. Johanns is regarded favorably by 70 percent of voters compared to 48 percent for Kleeb. Johanns is hoping to succeed fellow Republican Chuck Hagel, who is retiring. CQ Politics rates the race "Republican Favored."

• Oklahoma: Two-term Republican Sen. James Inhofe leads Democratic State Sen. Andrew Rice 56 percent to 34 percent with 6 percent for independent and 4 percent undecided in a SurveyUSA poll conducted Sept. 5-7. CQ Politics rates this race "Republican Favored."

• Texas: Republican John Cornyn, seeking a second term, leads Democratic State Rep. Rick Noriega 48 percent to 37 percent with 3 percent preferring "other" and 13 percent undecided in a Rasmussen Reports poll conducted Aug. 21. The margin of error is 4.5 percent. Cornyn's favorable-to-unfavorable ratio is 57 percent to 28 percent while Noriega's is 45 percent to 35 percent. Both are in the double-digits for those who answered "not sure." Cornyn draws backing from 83 percent of Republicans and 14 percent of Democrats while Noriega's party support is 71 percent with 10 percent of Republicans joining them. CQ Politics is rating this race "Republican Favored."

Safe Democrat

• Illinois: Two-term Democrat Richard Durbin leads Republican Steven Sauerberg, a physician, 59 percent to 35 percent with 11 percent undecided in a Rasmussen Reports poll conducted Sept. 17. That's a pick-up of a few points for Sauerberg who still suffers from a name recognition problem since 28 percent of voters say they are not sure whether they have a favorable or unfavorable opinion of him. CQ Politics rates this race "Safe Democrat."

• Iowa: Democrat Tom Harkin, looking for a 5th term, leads businessman Christopher Reed 60 percent to 37 percent in a SurveyUSA poll conducted Sept. 17-18. A Rasmussen Reports poll conducted Aug. 7 had Harkin ahead 58 percent to 34 percent with 3 percent preferring "other" and 6 percent undecided in. The margin of error is 4.5 percent. That's a 6 point gain for Harkin over July. He is viewed favorably by 66 percent of Iowans compared to 41 percent for Reed, who also suffers from the fact that 26 percent don't seem to know much or anything about him. CQ Politics rates this race "Safe Democrat.

• Massachusetts: Democratic Sen. John Kerry leads Jeff Beatty, whose biography describes him as a Special Forces veteran, FBI special agent and CIA operations officer, by 56 percent to 29 percent in a Rasmussen Reports poll conducted August 5. Kerry is viewed favorably by 59 percent of voters while Beatty's name recognition problem is underlined by the fact that 41 percent answer "not sure" on this question. CQ Politics rates this race "Safe Democrat."

• Michigan: Five-term Democrat Carl Levin leads Republican state Rep. Jack Hoogendyk 51 percent to 36 percent with 12 percent undecided in a Public Policy Polling survey conducted Sept. 6-7. The margin of error is 2.9 percent. A Detroit News/WXYZ poll conducted Aug. 18-21 had Levin ahead 59 percent to 27 percent with a 4 point margin of error is 4 percent. A Rasmussen Reports survey conducted Aug. 7 had Levin ahead 56 percent to 36 percent. The margin of error was 4.5 percent. Levin has a 61 percent favorability rating to Hoogendyk's 41 percent, but the more significant number for the challenger is that 29 percent have no opinion. CQ Politics rates this race "Safe Democrat.".

• South Dakota: Two-term Democratic Sen. Tim Johnson leads Republican State Rep. Joel Dykstra 60 percent to 35 percent in a Rasmussen Reports poll conducted July 9. Johnson, who has recovered from a near-fatal brain hemorrhage in late 2006, is viewed favorably by 69 percent of voters while the most important number Dykstra's favorability rating is the 22 percent who don't know enough to have an opinion. CQ Politics rates this race "Safe Democrat."

Safe Republican

• Idaho: Republican Jim Risch, the state's lieutenant governor, leads former Democratic Rep. Larry LaRocco 58 percent to 30 percent with 2 percent choosing "other" and 9 percent undecided in a Rasmussen Reports poll conducted Sept. 9. Risch is viewed favorably by 62 percent of voters and unfavorably by 23 percent, while LaRocco's numbers are 42 percent respectively. CQ Politics rates this race "Safe Republican" because of the state's strong conservative tradition.

• South Carolina: First term Republican Lindsey Graham leads Democrat Bob Conley, a commercial pilot, by 50 percent to 41 percent with 3 percent choosing other and 7 percent undecided in a [Rasmussen Reports poll] conducted Sept. 18. Graham's favorable to unfavorable numbers are 52 percent to 38 percent and Conley's are 42 percent to 32 percent, but a full quarter of voters don't know enough about him to express an opinion. Graham is supported by 76 percent of Republicans and Conley by 67 percent of Democrats. CQ Politics rates this race "Safe Republican."