Article Photos: Obama casts Romney as the proponent of tax hikes



President Barack Obama waves as he walks across the South Lawn the White House in Washington, Wednesday, Aug. 1, 2012, toward Marine One, and a day trip to Ohio. (AP Photo/Haraz N. Ghanbari)

President Barack Obama waves as he walks across the South Lawn the White House in Washington, Wednesday, Aug. 1, 2012, toward Marine One, and a day trip to Ohio. (AP Photo/Haraz N. Ghanbari)