Margaret Thatcher: Legacy of the U.K.’s first female prime minister

Margaret Thatcher: Legacy of the U.K.’s first female prime minister

U.K. Prime Minister Margaret Thatcher left office three decades ago Saturday. Actress Gillian Anderson’s portrayal of the controversial leader in Netflix’s “The Crown” is giving a new generation a chance to learn about her legacy. Jeff Glor speaks to Thatcher’s authorized biographer to separate fact from fiction.