AIPAC is the American Israel Public Affairs Committee.
Hillary Clinton and Barack Obama Address AIPAC Annual Policy Conference
Picture of Clinton and Obama in Washington, DC
By Jone Johnson Lewis, About.com Guide
Hillary Clinton and Barack Obama meet at the 2008 AIPAC Policy Conference, June 4, after Obama's delegate count passed 50%.
Hillary Clinton and Barack Obama at AIPAC Policy Conference, June 2008
Justin Sullivan / Getty Images