Jon Huntsman

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Former Utah Gov. Jon Huntsman, Rep. Ron Paul, R-Texas, former Massachusetts Gov. Mitt Romney, former Pennsylvania Sen. Rick Santorum, former House Speaker Newt Gingrich and Texas Gov. Rick Perry (L-R) take their positons before a Republican presidential candidate debate at Saint Anselm College in Manchester, N.H., Saturday, Jan. 7, 2012. (AP Photo/Elise Amendola)

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Former Utah Gov. Jon Huntsman, Rep. Ron Paul, R-Texas, former Massachusetts Gov. Mitt Romney, former Pennsylvania Sen. Rick Santorum, former House Speaker Newt Gingrich and Texas Gov. Rick Perry (L-R) participate in a Republican presidential candidate debate at Saint Anselm College in Manchester, N.H., Saturday, Jan. 7, 2012. (AP Photo/Elise Amendola)

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Nina Dunn (right) of New York, NY, laughs out loud as she joins Jake Wagner (left) of Manchester, NH, and other volunteers as they greet passing motorists outside of Republican presidential candidate Jon Huntsman's New Hampshire campaign headquarters in Manchester, NH. (Rod Lamkey Jr/ The Washington Times)

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A photo of Republican presidential candidate Jon Huntsman shares space on the wall with hand made signs at his New Hampshire campaign headquarters. (Rod Lamkey Jr/ The Washington Times)

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Volunteers for Republican presidential candidate Jon Huntsman, work the phones at Huntsman's New Hampshire campaign. (Rod Lamkey Jr/ The Washington Times)

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James Linville (right) of New York, NY, and Jake Wagner (left) of Manchester, NH, volunteers for Republican presidential candidate Jon Huntsman, work the phones at Huntsman's New Hampshire campaign headquarters. (Rod Lamkey Jr/ The Washington Times)

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Volunteers for Republican presidential candidate Jon Huntsman work the phones at Huntsman's New Hampshire campaign headquarters in Manchester, NH, Tuesday, January 3, 2012. (Rod Lamkey Jr/ The Washington Times)

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Former House Speaker Newt Gingrich participates in a one-on-one GOP presidential candidate debate with former Utah Gov. Jon Huntsman in Manchester, N.H., on Monday, Dec. 12, 2011. (AP Photo/Elise Amendola)

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Former House Speaker Newt Gingrich and Rep. Michele Bachmann, Minnesota Republican, listen to former Utah Gov. Jon Huntsman during a Republican presidential debate in Washington on Nov. 22, 2011. (Associated Press)

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**FILE** Republican presidential candidates (from left) former Utah Gov. Jon Huntsman, Rep. Michele Bachmann of Minnesota, Rep. Ron Paul of Texas, businessman Herman Cain, Former Massachusetts Gov. Mitt Romney, former House Speaker Newt Gingrich, Texas Gov. Rick Perry, and former Pennsylvania Sen. Rick Santorum prepare Nov. 12, 2011, before the CBS News/National Journal foreign policy debate in Spartanburg, S.C. (Associated Press)

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Carter Mead shows off designs on his prosthetic leg as GOP presidential candidate Jon Huntsman tours a prosthetics firm Friday in Manchester, N.H. (Associated Press)

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Republican presidential candidates from left, former New Mexico Gov. Gary Johnson, former Pennsylvania Sen. Rick Santorum, former House Speaker Newt Gingrich, Rep. Ron Paul, R-Texas, Texas Gov. Rick Perry, former Massachusetts Gov. Mitt Romney, Rep. Michele Bachmann, R-Minn, businessman Herman Cain and former Utah Gov. Jon Huntsman gather prior to a debate, Thursday, Sept. 22, 2011, in Orlando, Fla. (AP Photo/Phelan M. Ebenhack, Pool)

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Texas Gov. Rick Perry (left), former Utah Gov. Jon Huntsman (center) and Rep. Ron Paul, Texas Republican, talk Sept. 7, 2011, during a break at the Republican presidential candidate debate at the Reagan Library in Simi Valley, Calif. (Associated Press)

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Republican presidential candidates, from left, former Pennsylvania Sen. Rick Santorum, former House Speaker Newt Gingrich, Rep. Michele Bachmann, R-Minn., former Massachusetts Gov. Mitt Romney, Texas Gov. Rick Perry, Rep. Ron Paul, R-Texas, businessman Herman Cain and former Utah Gov. Jon Huntsman stand at the podium to answer questions during a debate at the Reagan Library Wednesday, Sept. 7, 2011, in Simi Valley, Calif. (AP Photo/Jae C. Hong)