PHILADELPHIA — The vultures were circling, hoping for their victim’s demise. But Doc Rivers wasn’t going out like that. The press and the pundits national and local sharpened their knives and licked their lips as they watched Rivers’ Sixers turn a 3-0 walkover into a 3-2 pending catastrophe. After all, no NBA coach had blown more 3-1 leads than Glenn Anton Rivers, so who else would be more likely to be the first coach in NBA history to blow a 3-0 lead? Why this ire? Maybe because, in the past two seasons, Doc, usually affable and informative, had grown weary and bitter, and he’d bitten the hea…
