HARDtalk - Tori Amos, Singer-songwriter

One of America's most successful female singer-songwriters, Tori Amos has just released her fifth consecutive top ten album. She has a loyal global following and yet she's never played along with rock and roll's usual stereotypes. 'I choose to fight my battles through music', she once wrote. After two decades in the music business is she still fighting? Tori Amos talks to Stephen Sackur.