http://www.theobamanews.com/ObamaNews/potential-veeps-join-obama-on-indiana-trip/ Democratic presidential candidate Barack Obama called on two potential running mates and a host of foreign policy experts Wednesday as he pushed his agenda for Iraq and his views for U.S. foreign policy elsewhere. Sen. Evan Bayh, D-Ind., and former Sen. Sam Nunn, D-Ga., were scheduled to join Obama for a national security roundtable at Purdue University in West Lafayette, Ind. Wed, 16 Jul 2008 11:58:03 CDT en