Democratic presidential candidate Sen. Barack Obama, D-Ill., waves to the audience while speaking at a town hall meeting at the Radnor Middle School in Wayne, Pa., Saturday, June 14, 2008. (AP Photo/ Joseph Kaczmarek)
Democratic presidential candidate Sen. Barack Obama, D-Ill., speaks at a town hall meeting at the Radnor Middle School in Wayne, Pa., Saturday, June 14, 2008.
(AP Photo/ Joseph Kaczmarek)
Democratic presidential candidate Sen. Barack Obama, D-Ill., speaks at a town hall meeting at the Radnor Middle School in Wayne, Pa., Saturday, June 14, 2008.
(AP Photo/ Joseph Kaczmarek)
Democratic presidential candidate Sen. Barack Obama, D-Ill., talks at a town hall meeting at Radnor Middle School in Wayne, Pa., Saturday, June 14, 2008.
(AP Photo/Alex Brandon)
Presumptive U.S. Democratic presidential candidate Sen. Barack Obama (D-IL) listens to a question during a town hall meeting at the Radnor Middle School in Wayne, Pennsylvania, June 14, 2008. REUTERS/Tim Shaffer
Presumptive U.S. Democratic presidential candidate Sen. Barack Obama (D-IL) gestures during a town hall meeting at the Radnor Middle School in Wayne, Pennsylvania, June 14, 2008. REUTERS/Tim Shaffer
Democratic presidential candidate Sen. Barack Obama, D-Ill., shakes hands at a town hall meeting at Radnor Middle School in Wayne, Pa., Saturday, June 14, 2008.
(AP Photo/Alex Brandon)