Leftovers - December 21, 2011

December 21, 2011 6:13 pm ET — Media Matters Action Network

Gov. Rick Perry forgets details of his own tax plan.

Newt Gingrich challenges Mitt Romney to "test the heat" in a one-on-one 90-minute debate.

The EPA releases its long-awaited rule on mercury emissions from power plants.

A Democratic super PAC sets NewtGingrich.com to redirect to websites that highlight his flaws.

Bank of America settles with the Justice Department over allegations of discrimination at Countrywide.

Perry pops into the last frame of his latest ad in what Molly Ball calls a "ninja move."

After House Democrats try to get a payroll tax vote, the speaker's office cuts off the C-SPAN cameras: