U.S. Sen. Richard Lugar was ousted Tuesday by a tea party-backed challenger in Indiana's Republican primary, abruptly ending his nearly four-decade career as one of Indiana's best-known and popular politicians. (May 8) Subscribe to the Associated Press: http://bit.ly/APYouTube Download AP Mobile: http://www.ap.org/mobile/ Associated Press on Facebook: http://apne.ws/c7lQTV Associated Press on Twitter: http://apne.ws/bTquhb Associated Press on Google+: http://bit.ly/zuTKBL