Mississippi Gov. Haley Barbour's political action committee reported giving $5,000 to Sen. David Vitter, R-La., the same week it accepted an identical amount from former Rep. Chip Pickering of Mississippi.

Pickering, like Vitter, is a conservative Christian Republican accused of having an extramarital affair linked to the "C Street" townhouse in Southeast Washington that is at the center of a spate of GOP sex scandals.

Pickering's otherwise dormant CHIP PAC made its first donation of the year to Haley's PAC on Aug. 15 -- four days after the governor gave to Vitter's 2010 re-election campaign -- according to a Sept. 20 filing with the Federal Election Commission. The two checks comprise all of the month's activities for Haley's PAC, which has just $13,281.37 in the bank and has made only one other contribution this year.

Is it just a coincidence?

Former Arkansas Gov. Mike Huckabee is atop the standings of 2012 Republican presidential candidate prospects in a new poll.

A Washington Post/ABC News poll conducted from July 15 through July 18 places the rock-music-playing evangelical as the favorite of 26 percent of Republicans and GOP-leaning independents, 5 percentage points ahead of former Massachusetts Gov. Mitt Romney, 7 points ahead of soon-to-be-former Alaska Gov. Sarah Palin and 16 points ahead of former House Speaker Newt Gingrich.

The also-rans (below 5 percent) in the Post poll were retiring Minnesota Gov. Tim Pawlenty (4 percent), former Florida Gov. Jeb Bush (3 percent) and Mississippi Gov. Haley Barbour (1 percent). Two percent volunteered support for Louisiana Gov. Bobby Jindal, even though his name was not provided by pollsters.

But polls differ on this speculative matter, as you'd expect roughly three years out from the next Republican National Convention. A Gallup poll released July 16 showed Romney in the lead at 26 percent, with Palin second at 21 percent -- and Huckabee third at 19 percent.

A Capitol Hill townhouse that serves as a dormitory and meeting place for a band of conservative Christian lawmakers has been linked to a third episode of marital infidelity, this time in a Mississippi court filing by a former lawmaker's estranged wife.

In an "alienation of affection" lawsuit, former Rep. Charles W. Pickering Jr.'s estranged wife, Leisha, alleges that he carried on an extramarital affair with a onetime college sweetheart while he lived at a house at 133 C Street in Southeast Washington. Sen. John Ensign, R-Nev., and Gov. Mark Sanford, R-S.C., both of whom admitted to cheating on their wives in recent weeks, are members of the Christian fellowship of lawmakers known as "C Street" for the address of the house where several of the members live at any given time.

Pickering Complaint

Leisha Pickering alleges that some of the "wrongful conduct" on the part of the woman accused of breaking up the Pickering marriage "occurred and accrued" in Washington, D.C., "at the C Street Complex."