Just one reason to adore Jennifer Lopez is that she'll try anything--and she usually makes it look good. In movies, for instance, she has played a dead Tex-Mex singer (Selena), been hugged by a big snake (Anaconda), come at Sean Penn like a famished scorpion (U-Turn), swapped repartee with George Clooney in a locked car trunk (Out of Sight) and gone into a trance to nab a serial killer (The Cell).
Sure, this is only acting--star acting, of an intensity and sultriness that stirs memories of such golden-age Hollywood names as Rita and Ava--but Lopez projects a cheery fearlessness in...