It starts with a nosebleed and ends with a dead guy. Three dead guys, actually, and one of them is Ed Koch.

When former mayor Ed Koch died early yesterday morning, the accolades were quick to descend: he was a "a great man," who "did good," ebulliently pulling his city out of the worst financial disaster it had ever faced. Still, his incredibly long tenure also coincided with both the crack and AIDS epidemic, the latter of…