Maybe it's true that people with less extreme views who are also interested in public affairs have been driven out by a marketplace that doesn't offer them anything of the tone they want to listen to.

Journalists have to do their job. And journalists have to resist emotionalism. You have to keep your cool and to continue to do your job until you're prevented.

Civil unrest, civil turmoil is not a challenge to President Trump. It's a resource for him. He needs to create an image of a polarized country in which the people who are against him are somehow alien or anti-system.

One of the things that really has gone wrong in modern politics, one of the things that made Trump possible was that many people have a view of politics as something dramatic and exciting and thrilling and emotional.

The business model of the conservative media is built on two elements: provoking the audience into a fever of indignation (to keep them watching) and fomenting mistrust of all other information sources (so that they never change the channel).

One might almost say, to adapt von Clausewitz, that modern warfare is PR by other means. And war-winning strategies mean that modern armies most stop treating their communications operations as secondary assignments or (as still too often happens) dumping grounds for officers who have failed at everything else - but as missions absolutely essential to success.

People who watch a lot of Fox come away knowing a lot less about important world events.