A rally participant asks President Barack Obama to sign his iPad as the president greets the crowd during a rally for Sen. Patty Murray, D-Wash., Thursday, Oct. 21, 2010, at the University of Washington in Seattle. (AP Photo/Susan Walsh)
A rally participant asks President Barack Obama to sign his iPad as the president greets the crowd during a rally for Sen. Patty Murray, D-Wash., Thursday, Oct. 21, 2010, at the University of Washington in Seattle. (AP Photo/Susan Walsh)