President Obama reacts to having frozen yogurt spilled on his pants as he was greeting the crowd outside the Sink restaurant on Tuesday, April 24, 2012, in Boulder, Colo. (AP Photo/Carolyn Kaster)

Photo by: Carolyn Kaster

President Obama reacts to having frozen yogurt spilled on his pants as he was greeting the crowd outside the Sink restaurant on Tuesday, April 24, 2012, in Boulder, Colo. (AP Photo/Carolyn Kaster)