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As Steve Benen noted, this is the guy everyone was wondering what happened to during the debate last night and let's hope he shows up for the next two -- Fired-up Obama speaks at post-debate rally:

One of the main criticisms I've seen of President Obama's debate performance -- which, again, has nothing to do with substance and everything to do with style -- was how timid he seemed. There was no fire, no engagement, no aggressiveness. The president was calm, the argument goes, to the point of detachment.

A half-day later, Obama spoke to supporters in Denver and showed the fiery side that clearly wasn't on display on stage last night. [...]

He also openly mocked Romney's call to cut off PBS: "Thank goodness somebody is finally getting tough on Big Bird."

If you're thinking, "Where was this guy last night?" I think it's fair to say a lot of Obama supporters are asking that same question. But I also believe the president sees the debate as a mistake -- one that he intends to correct.

Go read the rest of Steve's post for a partial transcript of President Obama's remarks.