Twilight's "Breaking Dawn To Be Made Into Two Films? "The two-week $481 million worldwide gross of "New Moon" has vaulted Summit Entertainment into the big leagues, but it also has created a high-class challenge for toppers Rob Friedman and Patrick Wachsberger. They will likely have to cut a few big checks if they decided, as rumored, to split Stephenie Meyer's final "Twilight" novel, "Breaking Dawn," into two pictures. Sources said Summit has set Melissa Rosenberg -- who wrote the first three films -- to finish the series, but Summit has to clear several hurdles before Rosenberg learns how many more scripts she'll write. One of those hurdles is figuring out whether "New Moon" director Chris Weitz will respond favorably to overtures from the film company and the cast to shoot two more films, back to back. Summit execs would not comment, but multiple sources said the company wants to go the two-film route, which means reopeni