President Barack Obama points to supporters in the audiences as he speaks during a campaign event at the Mississippi Valley Fairgrounds, Wednesday, Oct. 24, 2012, in Davenport, Iowa, as

 

              President Barack Obama points to supporters in the audiences as he speaks during a campaign event at the Mississippi Valley Fairgrounds, Wednesday, Oct. 24, 2012, in Davenport, Iowa, as
President Barack Obama points to supporters in the audiences as he speaks during a campaign event at the Mississippi Valley Fairgrounds, Wednesday, Oct. 24, 2012, in Davenport, Iowa, as he began a two-day campaign blitz, through eight states with stops in key battleground areas of Iowa, Colorado, Nevada, Ohio and Virginia. (AP Photo/Pablo Martinez Monsivais)