It's not the John Singleton film that I would have predicted as a hit this summer, but, with a $20.7 million opening weekend, Four Brothers has knocked Dukes of Hazzard way out of the top slot, and that's encouraging. As expected, Iain Softley's Kate Hudson-fronted horror endeavor The Skeleton Key landed in second place, with $15.8 million. That left third place scraps for Dukes, which fell off 58% from weekend to weekend. And in its fifth weekend, Wedding Crashers racked up another $12 million; with a current gross of $164 million, it looks sure to cross the $200 million mark in Spetember, virtually guaranteeing a sequel. The Wedding Crashed? Full you-know-what after the you-know-where,