This Week In Politics: Dante's Inferno

Dante de Blasio provides a big lift for his dad, who finds himself increasing in the line of fire as the primary approaches.  Meantime, the primary gets hotter and hotter, with slaps, verbal jabs, and frantic elbowing between the candidates.  And a sound rejection of a key plank of the Bloomberg legacy characterizes This Week in Politics.  WNYC's Andrea Bernstein, Anna Sale, and Jessica Gould break it down.