Overview: Headlines for June 16, 2016; Democratic Gun Control Filibuster Leaves Advocates Skeptical: 'We Could Be Asking for a Lot More'; How Donald Trump Bankrupted His Casinos, Left Contractors Unpaid, Ruined Investors & Made Millions; Dishwashers, Plumbers, Waiters & Lawyers: Hundreds Accuse Trump of Failing to Pay for Their Work; David Cay Johnston: There is 'Incredibly Strong Evidence' Donald Trump Has Committed Tax Fraud