The New York City Planning Commission has approved Columbia’s plan for a 17-acre expansion into west Harlem by a vote of 10-1, with one abstention.

As I stood on the open-air subway platform at 125th street this morning, looking north and west over the dreary parking garages, storage facilities, paint shops, and so on that make up the area in question, I thought, Good.

There will, of course, be opposition.

“We’ll stand in front of those bulldozers,” said Tom DeMott, a leader of the opposition Coalition to Preserve Community. “This battle is not over by a long shot.”

Mr. DeMott would be better served by working with Columbia to make this plan as conducive to the long-term economic growth of Harlem as possible than by standing in front of the bulldozers. But that would not attract him nearly as much attention….