(Bloomberg) -- Bloomberg View Weekend Edition hosted by June Grasso.\u0010\u0010Guests:\u0010Leonid Bershidsky, Bloomberg View columnist: "Twitter Can't Engineer a Healthy Conversation."\u0010Samuel Estreicher, law professor at New York University and director of its Center for Labor and Employment Law, and Bloomberg columnist: "How Unions Can Survive a Supreme Court Defeat."\u0010Romesh Ratnesar, Bloomberg View editor: "U.S. Government's Security Clearance System Is Broken."\u0010Nathaniel Bullard, energy analyst and Bloomberg View columnist: "Smartphones' Future Is in Your Driverless Car."\u0010Barry Ritholtz, founder of Ritholtz Wealth Management and Bloomberg Prophet: "What Happens When Business and Politics Mix."