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)