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Republican presidential candidate, former Utah Gov. Jon Huntsman Jr., left, arrives for a campaign event in Miami, Wednesday, Aug. 10, 2011, with his wife Mary Kaye, center, and daughter Grace, 10. Huntsman was endorsed by Jeb Bush Jr. at the event. (AP Photo/Lynne Sladky)

Republican presidential candidate, former Utah Gov. Jon Huntsman Jr., left, arrives for a campaign event in Miami, Wednesday, Aug. 10, 2011, with his wife Mary Kaye, center, and daughter Grace, 10. Huntsman was endorsed by Jeb Bush Jr. at the event. (AP Photo/Lynne Sladky)

Former GOP candidate Jon Huntsman

April 24, 2012

Jon Huntsman withdrew from the Republican race for president on January 15 and endorsed his former rival, Mitt Romney.