CBS Films is moving aggressively on a sequel to its biggest-grossing film Last Vegas. David Diamond & David Weissman have been hired to write the second installment of the AARP comedy. The intent is to bring back director Jon Turteltaub, and the film's stars Michael Douglas, Robert De Niro, Morgan Freeman and Kevin Kline. The sequel will focus on the quartet's return to their old stomping grounds in Brooklyn. They discover that borough has changed more than a little since…
