Obama gets help from school children to standup after taking group picture with the children at the National Park

US: US President, Barack Obama and his family were on a visit to Yosemite National Park in California on Saturday. The first family had a full day of sightseeing and hiking. During a photo session with a group of school children from San Francisco , The comic Obama needed help getting up after he sat down to take a picture them. See more photos after the cut