HARDtalk - Debra Lee, BET President

The US presidential candidate Barack Obama wrote a book called 'The Audacity of Hope'. One of his most audacious hopes is that racial politics will no longer define a black man's bid to become president of the United States. Debra Lee is the chief executive of the biggest US TV network aimed at a black audience. Has America really overcome the poisonous legacy of slavery and racial prejudice?