3/3. To mark the 25th anniversary of Margaret Thatcher's first election victory, Anna Ford assesses the cultural developments that arose out of 11 years of Thatcher's leadership. This final instalment assesses the impact of the counterculture on the prime minister's decline and the overall legacy of Thatcherism on the arts. With views from Tony Wilson, David Mellor, Janet Street-Porter, Richard Eyre and Billy Bragg.