Mitt Romney U.S. senator from Utah, former Massachusetts governor

Republican National Committee U.S. political committee that leads the Republican Party of the U.S., a/k/a The Grand Ol' Party/GOP

Chuck Schumer US Senator, former Representative from New York

National Republican Senatorial Committee Campaign committee for Republican U.S. Senate candidates

Democratic National Committee Governing body for the U.S. Democratic Party

Rob Portman US Senator from Ohio (2011-present); former US Representative (1993-2007); former dir. OMB

Bruce A Blakeman New York City-based lawyer, Republican candidate for Congress

Renew America PAC

Republican Leadership Council Inc

National Republican Congressional Committee

Federal Election Campaign Contributions