Phyllida Lloyd's film gives us Thatcher without Thatcherism, writes Xan Brooks but Meryl Streep is astonishingWas it a dream or is it a nightmare? In the early years of the 21st century a frail old woman totters around her London home, assailed by memories that rise up unbidden. They tell her that her husband still lives, and that she continues to be the prime minister, the cherished daughter of a nation of shopkeepe…
