PHILADELPHIA — Was former Philadelphia Police Inspector Joseph Bologna’s use force against a Temple University student during the 2020 protests following George Floyd’s killing unnecessary? That was the key question put before jurors as Philadelphia prosecutors on Tuesday opened their case against the 57-year-old former police inspector, who faces charges of simple assault and possessing an instrument of crime for his role in the June 1, 2020, incident. Bologna is accused of striking Evan Gorski, then 21, in his head area with a baton. Gorski was attempting to separate another protester from t…