WASHINGTON — Mitt Romney struggled to steady his presidential campaign on Friday, buffeted by an outbreak of sniping among frustrated Republicans, fresh evidence of a slide in battleground state polls and President Barack Obama's accusation that he was writing off "half the country" in pursuit of the White House.
AP Photo/Charles Dharapak
Republican presidential candidate and former Massachusetts Gov. Mitt Romney campaigns in Las Vegas, Friday.
Republican running mate Paul Ryan drew boos at an AARP convention in New Orleans when he said Romney would repeal Obama's health care law, which c...