David Ignatius; Mark Lyall Grant; Andrew Rosenthal

David Ignatius from The Washington Post reports on the CIA's internal investigation into the improper access to Senate computers and CIA Director John Brennan's subsequent public apology to the Senate Intelligence Committee. Sir Mark Lyall Grant, the United Kingdom’s ambassador to the United Nations, explores the conflict in Gaza, violence in Eastern Ukraine, and the threat of the Islamic State in Iraq and Syria. Andrew Rosenthal, editorial page editor for The New York Times, explains why he endorses ending the federal ban on marijuana in the United States.