US President Barack Obama speaks during a campaign event October 24, 2012 at Mississippi Valley Fairgrounds in Davenport, Iowa. (Photo credit should read MANDEL NGAN/AFP/Getty Images)
The president held an afternoon rally at Denver's City Park after campaigning in Davenport, Iowa.
He'll attend campaign rally in Las Vegas featuring a free concert by pop singer Katy Perry later Wednesday.
On Thursday, he'll head east to Florida, Virginia and Ohio.
(KUSA-TV © 2012 Multimedia Holdings Corporation with The Associated Press)