Romina Moreno, center, holds her daughter Natalie Pena, 12, left, to stay warm while waiting for former President Bill Clinton to arrive at Pullen Park in Raleigh, N.C., to speak at a rally for Barack Obama on Sunday, Nov. 4, 2012.  The former president has been traveling to several battleground states over the past week to try to stem any Republican tide for Mitt Romney and preserve Obama leads. (AP/Ted Richardson)

Photo by: TED RICHARDSON

Romina Moreno, center, holds her daughter Natalie Pena, 12, left, to stay warm while waiting for former President Bill Clinton to arrive at Pullen Park in Raleigh, N.C., to speak at a rally for Barack Obama on Sunday, Nov. 4, 2012. The former president has been traveling to several battleground states over the past week to try to stem any Republican tide for Mitt Romney and preserve Obama leads. (AP/Ted Richardson)