Kristof on GOP tweet: Not ‘one of my classier ones’

New York Times op-ed columnist regrets getting political right after Boston blasts.

Boston explosions: New York Post better have good sources

The Post's casualty count is out of step with that of the rest of the media.

Boston explosions: Twitter acts as journalism’s ombudsman

News outlets prone to jump to conclusions over an explosion might act with caution this time.