Shirley Chisholm - the black woman who tried to be president

In January 1972 Shirley Chisholm became the first major-party black candidate to make a bid for the US Presidency. She was also the first black woman elected to Congress. In 2015, Farhana Haider spoke to former Congressman Charles Rangel who worked with Shirley Chisholm. (Photo: Shirley Chisholm at the Democratic National Convention in 1972. Credit: Getty Images)