It's the million dollar question that has all the pundits stumped. On "Countdown" tonight, Keith got the former Vice President to issue arguably his most "maybe" answer to date. WaPo's Chris Cillizza helps break it down.

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There are good reasons on both sides for Gore to remain coy. On the one hand, if he has already decided against a run, it makes sense to keep the suspicion alive and force your issues to stay at the forefront. On the other hand, he knows he can wait until September/October, bypass most of the petty bickering between now and then, and still retain the capacity to raise tons of money overnight and steal the show .

Gore already looks to be slimming down. Maybe Diane Sawyer can read into that for us.

In case you missed it, check out Gore's appearance on "The Daily Show" and his hour long chat with Charlie Rose.

You can also scoop his new book, The Assault on Reason, here.