Jaden Smith features in "New Karate Kid"

Will and Jada Pinkett Smith's family is getting crowded with action heroes now that their 12-year-old son, Jaden, is beating up on bad guys. Jaden Smith stars in the title role of "The Karate Kid," a remake of the 1984 hit in which he plays an American youth in China who gets a crash course in martial arts from a maintenance man (Jackie Chan) so he can defend himself against