Anti-cop riots convulsed Philadelphia last week over the justified, if tragic, police shooting of Walter Wallace Jr.
Wallace, 27, had been threatening his mother with a knife and had refused to drop the knife as he approached officers. Joe Biden took up his cause, tweeting “for all those suffering the emotional weight of learning about another black life in America lost. Walter’s life mattered.”
To be sure — but Biden is referring here exclusively to the loss of black life at…
