Learning curve for Chinese kids

NFL superstar helps flag down some training tips

The National Football League sees exuberant children as a perfect counterpoint to the popular perception in China that American gridiron is a violent, dangerous game - and one of the NFL's biggest superstars was in Shanghai last weekend to prove it.

Hundreds of kids chanted "Wil-son! Wil-son!" when Seattle Seahawks quarterback Russell Wilson entered the stadium to help launch another season of NFL flag football, a "no-tackle" variation of the game in which players are "downed" when a flag worn around their waist is pulled off by an opponent.