[HBO] HD. Guests: Adam Schiff, Bob Costas, John Avlon, Zerlina Maxwell, Grover Norquist.[HBO] HD. Guests: Adam Schiff, Bob Costas, John Avlon, Zerlina Maxwell, Grover Norquist.[HBO] HD. Guests: Adam Schiff, Bob Costas, John Avlon, Zerlina Maxwell, Grover Norquist.