The creator of CBS' red-hot procedural "The Mentalist" has unfinished business in Italy. Bruno Heller says he wants to produce a theatrical wrap-up to his critically beloved and prematurely canceled HBO drama "Rome." "There is talk of doing a movie version," he said. "It's moving along. It's not there until it is there. I would love to round that show off." The lavish period drama ran for two seasons on HBO, which co-produced the series with the BBC. With the final season of "The Sopranos" as its lead-in, the first season was solidly rated, but high production costs presented the...