First Lady Michelle O. Addresses Team USA.

Athletes listen as US First Lady Michelle Obama addresses the 2012 Team USA Media Summit on May 14, 2012 in Dallas,Texas. 

First lady Michelle Obama walks off stage after a news conference in Dallas, Monday, May 14, 2012, with athletes at the 2012 Team USA Media Summit. The first lady announced a new Let's Move initiative to combat childhood obesity. [photo via AP Photo and Getty Images]