Winnie Madikizela-Mandela dies at 81

Winnie Madikizela-Mandela, who was for many years a figurehead of South Africa's anti-apartheid movement, has died at the age of 81. She was an anti-apartheid activist, politician and the second wife of the former South African leader Nelson Mandela. Johannesburg correspondent Krista Mahr tells us how the country has responded.