Rachel Maddow and The Nation's Chris Hayes discuss whether Fox's misinformation campaign and spreading of outlandish conspiracy theories, led by Glenn Beck, is damaging our discourse on American political and foreign policy.

Beck is so far off the rails this week I don't know how anyone who isn't mentally unstable could take anything he says seriously.

I can't stand watching him for more than a few minutes but our friends over at Media Matters have. Here's some of his latest fearmongering from this Friday.

Beck Channels Yoda, Declares That If You Haven't Been Frightened Watching His Show Yet, "You Will Be"

Beck Hosts "Expert" Joel Rosenberg To Further His Apocalyptic Talk About A Caliphate

Beck: We Must "Rebuild Our Communities, And Not Through Community Organizing, Because That's About Politics"