Shirley Chisholm: The triumphs and challenges of the first Black woman to seek the presidency

"Unbought and Unbossed": This is how Shirley Chisholm described herself in campaign literature — but it's also a mantra that guided her as she became the first Black woman elected to Congress in 1968, and as she broke ground in her 1972 presidential bid. Anastasia Curwood, author of "Shirley Chisholm: Champion of Black Feminist Power Politics," joins Chuck to detail Chisholm's path to power and the adversity she faced along the way.