FILE - In this April 24, 2012, file photo, Sen. Richard Lugar, R-Ind., the ranking member of the Senate Foreign Relations Committee, speaks with reporters off the Senate floor before a series of votes... more 
FILE - In this April 24, 2012, file photo, Sen. Richard Lugar, R-Ind., the ranking member of the Senate Foreign Relations Committee, speaks with reporters off the Senate floor before a series of votes on Capitol Hill in Washington. Lugar’s allies have largely disappeared from the television airwaves just days before Tuesday’s primary, a sign that even friends of the six-term Republican think he’s in trouble and could lose to tea party-backed challenger Richard Mourdock. (AP Photo/J. Scott Applewhite, File) less 
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Associated Press | Photo By J. Scott Applewhite, File
Wed, May 2, 2012 2:16 AM EDT