This week’s Ring of Fire, hosted by Robert F. Kennedy Jr., Mike Papantonio and Sam Seder: Saturdays at 3 o’clock Eastern, rebroadcasts Sunday nights at 8 pm Eastern

Stepping into the Ring of Fire this week: Brave New Films founder Robert Greenwald will join us to discuss his latest film that will expose every shady activity being carried out by the Koch Brothers.

Mark Potok from the Southern Poverty Law Center will be here to tell us about the rising numbers of anti-government hate groups that have popped up in the last year.

Investigative journalist Chris Hayes will be joining us to discuss the real reason behind skyrocketing gas prices at the pump.

And author Rick Perlstein will be here to give us an update on the situation in Wisconsin.

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