"President Obama and his family celebrated Christmas in Hawaii on Friday, but with their own twists. The president and his wife, Michelle, started their day at 6:40 a.m. by going to the gym -- a feat unimaginable to most parents of young children eager to open presents on Christmas morning -- and returned more than an hour later. The first couple did not swap presents, aides said. And the Obamas did not attend church services, instead spending the day at the oceanfront home they are renting in Kailua, on the island of Oahu......."