Word is Meryl Streep is being lined up to play Maggie in an upcoming FilmFour biopic. Jim Broadbent will be hovering by the drinks cupboard as Dennis. Despite the lefty tendency of the Channel Four crowd, their film-wing are pretty good at sticking to the facts. The film will focus on the weeks running up to the Falklands. Despite the fact Mamma Mia’s director Phyllida Lloyd is at the helm, Thatcher won’t be have any songs or dancing. Guess we’ll have to wait for Maggie! The Musical…