Republican frontrunners spar in Arizona - KWWL - Eastern Iowa Breaking News, Weather, Closings

Republican frontrunners spar in Arizona

Mitt Romney and Rick Santorum have traded verbal punches about health care, spending earmarks and federal bailouts in what might have been the final Republican presidential candidates' debate.

Santorum, who has surged in the polls, got booed when he talked about voting for the No Child Left Behind law even though he opposed it.

With pivotal primaries in Arizona and Michigan just six days away, with 10 more contests a week later, Romney and Santorum sparred more aggressively than in past debates, sometimes talking over each other's answers.

All four Republicans, including Newt Gingrich and Ron Paul, attacked President Barack Obama for his handling of Iran and its attempt to develop a nuclear program.

All four also opposed the federal bailout of the auto industry in 2008 and 2009.

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