Continuity mistake: In the scene where Margaret Thatcher is teaching her daughter Carol to drive, you see Margaret's window partially open but just as they near-hit the cyclist, her window is down just enough for her to stick her hand out but in the next shot its back to being partially open.
The Iron Lady (2011)
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Directed by: Phyllida Lloyd
Starring: Meryl Streep, Jim Broadbent, Richard E. Grant, Alice da Cunha, Susan Brown
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Margaret Thatcher: We will stand on principle... or we will not stand at all.