WASHINGTON - JUNE 4:  Democratic presidential candidate Sen. Barack Obama (D-IL) answers questions from religious leaders at a forum on "Faith Guiding Our Votes: faith, values and poverty" at George Washington University June 4, 2007 in Washington, DC.  Democratic presidential hopefuls Obama, Sen. Hillary Clinton (D-NY) and former Sen. John Edwards (D-NC) were invited to the forum which was sponsored by the Sojourners, the largest national network of "progressive" Christians founded by Pastor Jim Wallis.  (Photo by Chip Somodevilla/Getty Images)