Told by way of a retrospective, Meryl Streep is the elderly Baroness Thatcher who is struggling to get over the death of her husband Sir Denis (Jim Broadbent) and dealing with the onset of dementia that is distressing her daughter Carol (Olivia Colman) and is causing her to forget yesterday but vividly recall the moments from her past that led to her domination of British politics for ten years. Streep does well mimicking the style and voice of the politician, but the back and forth style of the film's timelines robs it of much of it's potency. It is hard to be critical of the woman or her styl... les resten.