An unforced error for Donald Trump

There's a time and a place to attack affirmative action programs; the moment rescuers are recovering the bodies of 67 people who died in a tragic accident is NOT it.

Donald Trump had a strong first week.

Yesterday, however, was not a good day.

We do not know what caused an Army Black Hawk helicopter to crash into a American Airlines regional jet landing at Reagan National Airport, killing 67 people Wednesday night.

As anyone who’s ever flown into Reagan knows, the airspace is heavy with civilian and military traffic. T…