Democratic Sen. Claire McCaskill speaks as she takes on Republican Rep. Todd Akin during the second debate in the Missouri Senate race Thursday, Oct. 18, 2012, in Clayton, Mo. (AP Photo

 

              Democratic Sen. Claire McCaskill speaks as she takes on Republican Rep. Todd Akin during the second debate in the Missouri Senate race Thursday, Oct. 18, 2012, in Clayton, Mo. (AP Photo
Democratic Sen. Claire McCaskill speaks as she takes on Republican Rep. Todd Akin during the second debate in the Missouri Senate race Thursday, Oct. 18, 2012, in Clayton, Mo. (AP Photo/Emily Rasinski)