John McCain needs a knock-out performance at Tuesday night’s presidential debate if he is to keep his hopes alive.

Right now polls paint a dismal picture for Sen. McCain. Rasmussen shows Obama leading 52-44, Obama’s highest level ever. (Moving above 50 percent is a key indicator.) The RealClearPolitics average has Obama up 6 points. InTrade shows Obama up by 34 points. It also could be that key states like Ohio and Florida are now up for grabs, while Obama could win in swing states like Virginia and North Carolina. McCain, of course, is moving out of Michigan.

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