Adam Liptak; 'The Gatekeepers'; Leah Dickerman

Adam Liptak, a Supreme Court reporter for the New York Times, on the reinstatement of President Trump's travel ban. Former Chiefs of Staff--Jack Watson, John Podesta, and Andy Card--and Chris Whipple, the author of a new book, "The Gatekeepers: How the White House Chiefs of Staff Define Every Presidency." Leah Dickerman, a Marlene Hess Curator of Painting and Sculpture, on a new exhibit at MoMA, "Robert Rauschenberg: Among Friends."