Biden versus Sanders II: Setting up Super Tuesday

Vermont Sen. Bernie Sanders got off to a strong start in the early primaries and caucuses, but former vice-president Joe Biden is right behind him in the race for the Democratic presidential nomination. After a major victory in South Carolina, Biden has momentum heading into Super Tuesday — when 14 states vote for their preferred candidate. Today on Front Burner, Alex Panetta from CBC's Washington bureau joins us to explain what’s at stake.