'More reporting:' How journalists should cover threats to democracy

The media treats some aspects of the first amendment — such as press freedom — as sacred. But when it comes to other crucial protections, including free and fair elections and other basic tenets of democracy, there tends to be a "sliding scale." On "Reliable Sources" Sunday, CNN's chief media correspondent Brian Stelter discussed the changing role of political media — and how reporters need to do a better job protecting democracy.