First Lady Michelle Obama leads a group of 400 local children on the South Lawn of the White House to help break the Guinness World Records title for the most people doing jumping jacks in a 24-hour period, October 11, 2011 (Photo: Chuck Kennedy)
First Lady Michelle Obama leads a group of 400 local children on the South Lawn of the White House to help break the Guinness World Records title for the most people doing jumping jacks in a 24-hour period, October 11, 2011 (Photo: Chuck Kennedy)
