I used to think all poets were Byronic Mad, bad and dangerous to know. And then I met a few. See Lamb 486:25.
Obama can't be everything to everyone. He changed. He did. I never thought I'd hear Obama say, "Let's go back to nuclear arms," but he did. In the meantime, the clear and present danger is the Republicans in the Senate. A lot of politics isn't heroic, it's as day-to-day as our lives themselves. We always want to make the Byronic choices, but Byron himself was not Byronic all the time either.
The Byronic hero, incapable of love, or capable only of an impossible love, suffers endlessly. He is solitary, languid, his condition exhausts him. If he wants to feel alive, it must be in the terrible exaltation of a brief and destructive action.