About Claire McCaskill:
Claire Conner McCaskill is an American politician and member of the Democratic Party who serves as the senior United States Senator from Missouri. The first woman elected to the U.S. Senate from Missouri in her own right, she defeated Republican incumbent Jim Talent in the 2006 election, by a margin of 49.6% to 47.3%. She became the state's senior U.S. Senator upon the retirement of Kit Bond in 2011 and won a bid for re-election in 2012, defeating Republican Todd Akin by a margin of 54.7% to 39.2%.
The political system loves the extremes, it doesn't so much show a lot love for the moderates.
Claire McCaskill