All is not well in Obamafanland. It's not clear exactly what accounts for the change of mood. Maybe it was the rancid smell emanating from Treasury's latest bank bailout. Or the news that the president's chief economic adviser, Larry Summers, earned millions from the very Wall Street banks and hedge funds he is protecting from reregulation now. Or perhaps it began earlier, with Obama's silence during Israel's Gaza attack.

Whatever the last straw, a growing number of Obama enthusiasts are starting to entertain the possibility that their man is not, in fact, going to save the world if we all just hope really hard.

This is a good thing. If the superfan culture that brought Obama to power is going to transform itself into an independent political movement, one fierce enough to produce programs capable of meeting the current crises, we are all going to have to stop hoping and start demanding.

The first stage, however, is to understand …