World / Margaret Thatcher Margaret Thatcher's Kids 'Appalled' by Streep Biopic Movie script paints Iron Lady as sad, out of it By Marie Morris, Newser Staff Posted Jul 18, 2010 4:59 PM CDT Copied British PM Margaret Thatcher attends a press conference in London, Aug. 21, 1990. Meryl Streep is expected to play the Iron Lady in a new film about Britain's first female prime minister. (AP Photo, File) A forthcoming film about Margaret Thatcher paints the UK's first female prime minister as an addled dementia patient, and her children are "appalled," a family friend tells the Telegraph. The Iron Lady will star Meryl Streep, but Abi Morgan's script has the family up in arms. "Sir Mark and Carol are appalled at what they have learnt about the film,” says the source. "They feel strongly about it, but will not speak publicly for fear of giving it more publicity." (More Margaret Thatcher stories.) Report an error