The latest in Campaign 2016 with The Washington Post's Dan Balz, Former White House Advisor Dan Senor, Maggie Haberman of The New York Times, and Al Sharpton; Author Peter Bergen on the rise of jihadists in the United States; Food critic Mimi Sheraton; Mark Halperin, John Heilemann and Mark McKinnon of the new documentary series on the 2016 elections, "The Circus"; Tina Fey, Lorne Michaels.