Sen. Richard G. Lugar, Indiana Republican, is video-recorded by cellphone on Monday, May 7, 2012, during a visit to a waste-water treatment center in West Lafayette, Ind. (Associated Press/Journal & Courier)

Photo by: Michael Heinz

Sen. Richard G. Lugar, Indiana Republican, is video-recorded by cellphone on Monday, May 7, 2012, during a visit to a waste-water treatment center in West Lafayette, Ind. (Associated Press/Journal & Courier)