Sen. Richard G. Lugar of Indiana exits after delivering his GOP primary concession speech in Indianapolis on Tuesday night. The 80-year-old Republican was defeated in his bid for a seventh six-year term, to the delight of many tea party activists. (Associated Press)

Sen. Richard G. Lugar of Indiana exits after delivering his GOP primary concession speech in Indianapolis on Tuesday night. The 80-year-old Republican was defeated in his bid for a seventh six-year term, to the delight of many tea party activists. (Associated Press)