WASHINGTON, DC - NOVEMBER 21: Senate Minority Leader Mitch McConnell (R-KY) looks on during a news conference on Capitol Hill, November 21, 2013 in Washington, DC. The Senate voted 52-48 to invoke the so-called 'nuclear option', voting to change Senate rules on the controversial filibuster for most presidential nominations with a simple majority vote. (Photo by Drew Angerer/Getty Images)