Republican presidential candidate, former Utah Gov. Jon Huntsman, center, hugs his son Will Huntsman, left, as he finishes touring Nelson Laboratories with his wife Mary Kaye Huntsman, right, in Taylorsville, Utah, Tuesday June 28, 2011. Huntsman toured the lab and meet the staff during a campaign stop in Utah. (AP Photo/Jim Urquhart)

Associated Press
Republican presidential candidate, former Utah Gov. Jon Huntsman, center, hugs his son Will Huntsman, left, as he finishes touring Nelson Laboratories with his wife Mary Kaye Huntsman, right, in Taylorsville, Utah, Tuesday June 28, 2011. Huntsman toured the lab and meet the staff during a campaign stop in Utah. (AP Photo/Jim Urquhart)
Republican presidential candidate, former Utah Gov. Jon Huntsman, center, hugs his son Will Huntsman, left, as he finishes touring Nelson Laboratories with his wife Mary Kaye Huntsman, right, in Taylorsville, Utah, Tuesday June 28, 2011. Huntsman toured the lab and meet the staff during a campaign stop in Utah. (AP Photo/Jim Urquhart)
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