Thanks for posting the link. I'm a former Pittsburgher (grew up in Mt. Lebanon) and was concerned to hear the news on public radio this morning. I am also a social worker previously working in a community mental health center in mid-Maine - it's never anything you want to experience first hand, but there is always the possibility. Sounds like the staff were well prepared to meet the challenge. My prayers are with the injured and the family of the killed - including the shooter.