U.S. President Barack Obama and his wife Michelle walk along a trail with their daughters Sasha and Malia on Cadillac Mountain in Bar Harbor, Maine

 
U.S. President Barack Obama and his wife Michelle walk along a trail with their daughters Sasha and Malia on Cadillac Mountain in Bar Harbor, Maine
U.S. President Barack Obama (2nd L) and his wife Michelle (L) walk along a trail with their daughters Sasha and Malia (2nd L) on Cadillac Mountain in Bar Harbor, Maine, July 16, 2010. The First Family is on vacation for the weekend. REUTERS/Jim Young (UNITED STATES - Tags: POLITICS TRAVEL)