President Barack Obama is greeted by Wisconsin Gov. Jim Doyle and his wife Jessica as he arrives at General Mitchell International Airport in Milwaukee, Wis., Wednesday, June 30, 2010, prior to traveling to Racine, Wis., to hold a town-hall style event on the economy. (AP Photo/Charles Dharapak)

Photo by: Charles Dharapak

President Barack Obama is greeted by Wisconsin Gov. Jim Doyle and his wife Jessica as he arrives at General Mitchell International Airport in Milwaukee, Wis., Wednesday, June 30, 2010, prior to traveling to Racine, Wis., to hold a town-hall style event on the economy. (AP Photo/Charles Dharapak)