Former Bill Clinton adviser Simon Rosenberg walked out on his Fox News debate with conservative radio talk show host Ben Ferguson this afternoon.

At issue: Clinton’s conversation with Rep. Paul Ryan yesterday — recorded by ABC News — over the GOP’s loss of a Congressional seat in upstate New York and whether Ryan’s medicare proposal is to blame.

“Ben, shut up!” said Rosenberg as the two debated the tactics in the medicare fight. To anchor Shannon Bream‘s credit, she twice asked the GOP guest to stop interrupting so Rosenberg could finish.

But after he ceded the floor, Rosenberg took out his IFB and pulled off his mic and walked out anyway. “You can pout, and that’s what you guys do well,” Ferguson taunted as Rosenberg left the studio. Video after the jump.

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