Our latest addition is Louisiana where, in the last 10 presidential elections, Democrats have won only when fielding southerners Bill Clinton and Jimmy Carter. In 1968, former Alabama Sen. George Wallace carried the state in his independent run.

• Louisiana: John McCain is leading Barack Obama 52.2 percent to 35.5 percent with 12.3 percent undecided in a Southern Media & Opinion Research poll conducted June 26-28. The margin of error is 4 points. McCain is viewed favorably by 57.4 percent of voters and unfavorably by 38.3 percent. Obama is viewed unfavorably by 52.5 percent and favorably by 43 percent.