President Barack Obama waves as he boards Air Force One to return to Washington, at Honolulu Joint Base Pearl Harbor-Hickam in Honolulu, after spending Christmas with his family in Hawaii, Wednesday, Dec. 26, 2012. (AP Photo/Gerald Herbert)
President Barack Obama and first lady Michelle Obama arrive to visit with members of the military and their families in Anderson Hall at Marine Corp Base Hawaii, Tuesday, Dec. 25, 2012, in Kaneohe Bay, Hawaii. The first family is in Hawaii for a family holiday vacation. (AP Photo/Carolyn Kaster)
President Barack Obama waves from the window of his motorcade vehicle as he returns from golf and a walk on the beach with his family at Marine Corp Base Hawaii, in Kailua, Hawaii, Wednesday, Dec. 26, 2012. The president and the first family are in Hawaii for a family holiday vacation. (AP Photo/Gerald Herbert)
President Barack Obama waves to base peronnel before boarding Air Force One to return to Washington, at Honolulu Joint Base Pearl Harbor-Hickam in Honolulu, after spending Christmas with his family in Hawaii, Wednesday, Dec. 26, 2012. (AP Photo/Gerald Herbert)
President Barack Obama greets base visitors and personnel before boarding Air Force One to return to Washington, at Honolulu Joint Base Pearl Harbor-Hickam in Honolulu, after spending Christmas with his family in Hawaii, Wednesday, Dec. 26, 2012. (AP Photo/Gerald Herbert)
President Barack Obama boards Air Force One at Honolulu Joint Base Pearl Harbor-Hickam, Wednesday, Dec. 26, 2012, in Honolulu, en route to Washington. With a yearend deadline looming before the economy goes off the so called fiscal cliff, the president is cutting short his traditional Christmas holiday in Hawaii. (AP Photo/Carolyn Kaster)
WASHINGTON — A last-gasp effort Thursday to avoid automatic tax increases and spending cuts got off on the same convulsive, partisan tone that marked congressional attempts to resolve the impasse before lawmakers headed home for Christmas. With a Dec. 31 deadline for an agreement to …