Melissa Harris-Perry 02/21/15

What President Obama’s mother taught him about the nation

Rudy Giuliani’s incendiary comments about Pres. Obama bring an opportunity to revisit Obama’s upbringing and the lessons his mother taught him about America. Janny Scott, the author of “Singular Woman: The Untold Story of Barack Obama's Mother,” joins. ... more Duration: {{video.duration.momentjs}}