We Are the Ones We've Been Waiting For

Andrew Sullivan explains what the line really means:

But I think some have missed a nuance. The phrase is actually a self-indictment as well as a self-congratulation. The point is surely that we shouldn't wait for someone else to save us, or lift us up, or fix our problems or address our fate. We are the only ones who can do this. And we're responsible for our own failure. The sentence is actually a criticism of Obama's own supporters.