From the piece:
I can understand why somebody who never shared Obama’s goals would vote against his reelection. If you think the tax code already punishes the rich too heavily, that it’s not government’s role to subsidize health insurance for those who can’t obtain it, that the military shouldn’t have to let gays serve openly, and so on, then Obama’s presidency has been a disaster, but you probably didn’t vote for him last time. For anybody who voted for Obama in 2008 and had even the vaguest sense of his platform, the notion that he has fallen short of some plausible performance threshold seems to me unfathomable.
Obama’s résumé of accomplishments is broad and deep, running the gamut from economic to social to foreign policy. The general thrust of his reforms, especially in economic policy, has been a combination of politically radical and ideologically moderate. The combination has confused liberals into thinking of Obamaism as a series of sad half-measures, and conservatives to deem it socialism, but the truth is neither. Obama’s agenda has generally hewed to the consensus of mainstream economists and policy experts. What makes the agenda radical is that, historically, vast realms of policy had been shaped by special interests for their own benefit. Plans to rationalize those things, to write laws that make sense, molder on think-tank shelves for years, even generations. They are often boring. But then Obama, in a frenetic burst of activity, made many of them happen all at once.
... It is noteworthy that four of the best decisions that Obama made during his presidency ran against the advice of much of his own administration.