US President &lt;a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Barack+Obama&amp;family=editorial&amp;specificpeople=203260 ng-click='$event.stopPropagation()'&gt;Barack Obama&lt;/a&gt; greets well wishers before boarding Air Force One at Joint Base Pearl Harbor-Hickam on December 26, 2012 in Honolulu, Hawaii. The president, who was spending a traditional Christmas holiday with his family in Hawaii, has been forced to cut his Christmas break short by the fiscal cliff crisis.