Fonda, never known for her subtlety on film, goes all Mommy-in-law dearest here, screaming, yowling, and beating on the furniture when she discovers her beloved brain surgeon of a son wants to marry (egads!) a temp, played by Jennifer Lopez. "I could just kill that dog-walking slut!" Fonda wails. In fairness, the hair extensions on JLo could make anyone homicidal.