
Rep. W. Todd Akin of Missouri ignited a firestorm of criticism over his comments on rape. (Associated Press)

A gaffe by Rep. W. Todd Akin of Missouri has imperiled the Republicans’ chances of claiming a Senate seat that was thought to be ripe for the taking. In Mr. Akin’s case, it would be a pickup for the GOP. (Associated Press)

A gaffe by Rep. W. Todd Akin of Missouri has imperiled the Republicans’ chances of claiming a Senate seat that was thought to be ripe for the taking. In Mr. Akin’s case, it would be a pickup for the GOP. (Associated Press)

Democratic Sen. Claire McCaskill makes a point about Republican challenger Rep. W. Todd Akin on Sept. 21 during their first debate in the U.S. Senate race in Missouri. A surge in GOP voter turnout in the past decade increases Mr. Akin’s chances of winning. Republicans also credit a strong evangelical faction and a shift in party preference by rural voters. (Associated Press)

Democratic Sen. Claire McCaskill makes a point about Republican challenger Rep. W. Todd Akin on Sept. 21 during their first debate in the U.S. Senate race in Missouri. A surge in GOP voter turnout in the past decade increases Mr. Akin’s chances of winning. Republicans also credit a strong evangelical faction and a shift in party preference by rural voters. (Associated Press)

The Republican candidate for U.S. Senate in Missouri, Rep. W. Todd Akin, who home-schooled his children, not surprisingly has the avid backing of the state’s home-schoolers. Mr. Akin is running to unseat Sen. Claire McCaskill, who has the endorsement of teachers unions. (The Associated Press)

The Republican candidate for U.S. Senate in Missouri, Rep. W. Todd Akin, who home-schooled his children, not surprisingly has the avid backing of the state’s home-schoolers. Mr. Akin is running to unseat Sen. Claire McCaskill, who has the endorsement of teachers unions. (The Associated Press)

Democratic Sen. Claire McCaskill walks off the stage with challengers Republican W. Todd Akin (left) and Libertarian Jonathan Dine after their debate in the Missouri Senate race in Columbia, Mo., on Sept. 21. (Associated Press)

Rep. W. Todd Akin brought home federal dollars for projects in his district but is now an ally of an anti-earmark group, opening himself up to criticism that he has switched to get a campaign donation from the group for his Senate race. (The Jefferson City News-Tribune via Associated Press)