Interviewee: Errol Morris (author of "The Unknown Known")Panelists: Keith Ellison, Sheila Bair, Simon SchamaPanel Guest: Shane Smith (host of Vice)Topics: The Unknown Known, Donald Rumsfeld & the Iraq War, 2014 midterm elections, Democrats & gun politics, Flip a District candidates: Michael Grimm & Blake Farenthold, Greenland & climate change in the Arctic, CNN & quality of journalism in the 24-hour news cycle, 2014 Russian military intervention in Ukraine, relationship between Pakistan & bin Laden.