" Barry Levinson says he's so busy with post-production on "Dog and Sphere" -- plus continuing to oversee production on his "Homicide" series -- that he's not concentrating on future projects. He does say, however, that his long-planned, big-screen Bobby Darin biopic could be his next project if he irons out problems in the script about the life of the singer who died in 1973 at the age of 37.
