Republican presidential candidate Donald Trump speaks at a rally and picnic, Saturday, July 25, 2015, in Oskaloosa, Iowa. (AP Photo/Charlie Neibergall)
Republican presidential candidate Donald Trump speaks at a rally and picnic, Saturday, July 25, 2015, in Oskaloosa, Iowa. (AP Photo/Charlie Neibergall) Charlie Neibergall AP
Republican presidential candidate Donald Trump speaks at a rally and picnic, Saturday, July 25, 2015, in Oskaloosa, Iowa. (AP Photo/Charlie Neibergall) Charlie Neibergall AP