|Incumbent||Claire McCaskillprofile||GOP Primary|
|Party||Democrat||Aug 07, 2012|
|Years in Senate||6 years||Gen Election|
|Previous Victory||50%||Nov 06, 2012|
Missouri is on our 2012 Watch List because it presents conservatives with a major pick-up opportunity. Incumbent Democrat Senator Claire McCaskill is extremely vulnerable. McCaskill has a very liberal voting record and is running for re-election in a state President Obama lost in 2008.