Grady Luebbert reacts after being asked a question by Indiana state Treasurer Richard Mourdock at a voting precinct Tuesday in Avon, Ind. Backed by tea party activists, Mr. Mourdock toppled six-term Sen. Richard G. Lugar in the Republican Senate primary. (Associated Press)

Grady Luebbert reacts after being asked a question by Indiana state Treasurer Richard Mourdock at a voting precinct Tuesday in Avon, Ind. Backed by tea party activists, Mr. Mourdock toppled six-term Sen. Richard G. Lugar in the Republican Senate primary. (Associated Press)