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



President Barack Obama walks across the South Lawn of the White House in Washington, Wednesday, Aug. 1, 2012, toward Marine One. (AP Photo/Haraz N. Ghanbari)

President Barack Obama walks across the South Lawn of the White House in Washington, Wednesday, Aug. 1, 2012, toward Marine One. (AP Photo/Haraz N. Ghanbari)