Public and tribal radio and television stations are fortifying their defenses ahead of what could be the biggest funding threat they’ve ever faced. President Donald Trump and his allies have repeatedly called for an end to federal funding for public broadcasters. Bills proposed in Congress would go as far as eliminating the Corporation for Public Broadcasting, the nearly 60-year-old entity created by Congress to facilitate federal support for non-commercial media. We’ll hear from broadcasters about what changes might be in store.