FILE - In this April 25, 2012, file photo President Barack Obama speaks at the University of Iowa in Iowa City. After all their liberal vs. conservative differences are spoken, Obama and Republican presidential candidate Mitt Romney sound a lot alike when they are being described by the other guy or his campaign. That leaves voters the challenge of having to sort out what's real and what's been stretched out of proportion. (AP Photo/Carolyn Kaster, File)

Associated Press
FILE - In this April 25, 2012, file photo President Barack Obama speaks at the University of Iowa in Iowa City. After all their liberal vs. conservative differences are spoken, Obama and Republican presidential candidate Mitt Romney sound a lot alike when they are being described by the other guy or his campaign. That leaves voters the challenge of having to sort out what's real and what's been stretched out of proportion.  (AP Photo/Carolyn Kaster, File)
FILE - In this April 25, 2012, file photo President Barack Obama speaks at the University of Iowa in Iowa City. After all their liberal vs. conservative differences are spoken, Obama and Republican presidential candidate Mitt Romney sound a lot alike when they are being described by the other guy or his campaign. That leaves voters the challenge of having to sort out what's real and what's been stretched out of proportion. (AP Photo/Carolyn Kaster, File)
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