First lady Michelle Obama participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. At left is NFL Commissioner Roger Goodell. (AP Photo/Gerald Herbert)

First lady Michelle Obama participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. (Shandon Melvin/NFL)

First lady Michelle Obama participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. (Shandon Melvin/NFL)

First lady Michelle Obama and NFL Commissioner Roger Goodell participate in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. (Shandon Melvin/NFL)

Michelle Obama participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans, At right is former NFL coach Tony Dungy. (AP Photo/Gerald Herbert)

First lady Michelle Obama throws a pass while participating in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. (AP Photo/Gerald Herbert)

First lady Michelle Obama participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. (AP Photo/Gerald Herbert)

NFL Commissioner Roger Goodell hands a football off to first lady Michelle Obama as she participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. (AP Photo/Gerald Herbert)

First lady Michelle Obama participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. (AP Photo/Gerald Herbert)

First lady Michelle Obama high fives as she participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. At left is former NFL Tampa Bay Buccaneers linebacker Derrick Brooks. (AP Photo/Gerald Herbert)

First lady Michelle Obama runs a 40-yard sprint as she participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. (AP Photo/Gerald Herbert)

NFL Commissioner Roger Goodell hands off to former Tennessee Titans running back Eddie George as they, first lady Michelle Obama, and former NFL coach Tony Dungy, background, participate in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. (AP Photo/Gerald Herbert)

First lady Michelle Obama participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. Behind her is NFL Commissioner Roger Goodell, center, and former NFL head coach Tony Dungy, background right. (AP Photo/Gerald Herbert)

First lady Michelle Obama hugs a participant as she participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. (AP Photo/Gerald Herbert)

First lady Michelle Obama high fives NFL Commissioner Roger Goodell after she scored a touchdown in a flag football game while participating in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. (AP Photo/Gerald Herbert)

First lady Michelle Obama participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. At left is NFL Commissioner Roger Goodell, aat right is former NFL Tampa Bay Buccaneers linebacker Derrick Brooks. (AP Photo/Gerald Herbert)

First lady Michelle Obama catches a touchdown pass in a flag football game as she participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. (AP Photo/Gerald Herbert)

First lady Michelle Obama participates in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. At left is former Tennessee Titans running back Eddie George (27). (AP Photo/Gerald Herbert)

First lady Michelle Obama hugs NFL Commissioner Roger Goodell, left, as former NFL head coach Tony Dung looks on at right, after participating in the Let's Move! Campaign and the NFL's Play 60 Campaign festivities with area youth, to promote exercise and fight childhood obesity, Wednesday, Sept. 8, 2010, in New Orleans. (AP Photo/Gerald Herbert)