Tea Party Upstart Mourdock Defeats Longtime Indiana Sen. Lugar By Kim Geiger May 8, 2012 Richard Mourdock has defeated longtime Sen. Richard G. Lugar of Indiana in the Republican primary, according to an Associated Press projection, ending the career of one of the Senate’s most pragmatic politicians and casting a cloud over GOP efforts to win control of the chamber. Mourdock, state treasurer in Indiana, campaigned as a conservative alternative to Lugar. He became a darling of the tea party movement after he began a legal challenge to the terms of the Obama administration’s bailout of Chrysler. Mourdock was endorsed...