Secret Service agent watches as First lady Michelle Obama speaks about the government and community efforts to fight childhood obesity while visiting the YMCA January 28, 2010 in Alexandria, Virginia. (Photo by Chip Somodevilla/Getty Images)
Secret Service agent watches as First lady Michelle Obama speaks about the government and community efforts to fight childhood obesity while visiting the YMCA January 28, 2010 in Alexandria, Virginia. (Photo by Chip Somodevilla/Getty Images)