Obamacare's 6-Million Target Hit As Exchange Sees Visits Surge [Getty Images]

Marketplace guide Jim Prim works on the Healthcare.gov federal enrollment website as he helps a resident sign up for a health insurance plan under the Affordable Care Act at an enrollment event in Milford, Delaware, U.S., on Thursday, March 27, 2014. Six million Americans have signed up for private health plans under Obamacare, President Barack Obama said, a symbolic milestone for a government that has struggled to get the law off the ground. Photographer: Andrew Harrer/Bloomberg via Getty Images

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