A president can, and perhaps even should, lead - but they can't do it all. Without going into a long rant about how Congress has basically abrogated its role in the three power structure, and how the press, which used to help examine some of this stuff, and no longer is interested in doing so have both failed us in huge, and perhaps unreplaceable ways, let's just say, that if you look at the record to date, Obama had done a lot, far more than Clinton did, perhaps in the entire 8 years. He - and his people - have had to make a huge effort to clean up and reconnect the mechanisms of government that the Bushies had all but destroyed, and that is actually happening.
I think Obama's first goal was just that, to make the government function once more.