He's had a few months to do that.
I doubt he thinks things are totally fucked. Just mostly fucked.
Actual dramatic change towards energy issues, to start the transition, is what Im looking for him to actually achieve. Its the right time, things are buggered anyway, so may as well use the opportunity to make sure whatever comes out the other end, eventual recovery, is genuinely sustainable.
If Obama can keep enough people believing in him, he will take them along for the journey, and maybe they can actually have a 'war effort' like optimistic mindset that gets them through the worst of times, without needing an actual war to do it. Gordon Brown has been trying to instill the same mentality in the Brits, but our understandable cynicism gets in the way rather a lot.