U.S. first lady Michelle Obama speaks during an event held to unveil a nationwide campaign to combat childhood obesity, at the White House in Washington

 
U.S. first lady Michelle Obama speaks during an event held to unveil a nationwide campaign to combat childhood obesity, at the White House in Washington
U.S. first lady Michelle Obama speaks during an event held to unveil a nationwide campaign to combat childhood obesity, at the White House in Washington February 9, 2010. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS)