Dems reframe election-year debate on health care

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One of the most vulnerable Senate Democrats is standing by his vote for President Barack Obama's health care law. That's a fresh sign the law may be losing some of its political punch heading into the midterm elections.

In an ad this week, two-term Arkansas Sen. Mark Pryor says he voted for a law that prevents insurers from canceling policies if someone gets sick as he did 18 years ago when he was diagnosed with cancer. That prohibition on ending policies is one of the more popular elements of the 4-year-old law.

The law, dubbed "Obamacare," remains divisive, vilified by Republicans as big government run amok.

The Obama administration insists the law is accomplishing its main goal - providing health care coverage to millions of Americans who lack it.

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