In Minnesota, former police officer Derek Chauvin is on trial for murder, in the in-custody death of George Floyd. Then, last week, barely 10 miles from the courtroom, now ex-officer Kim Potter accidentally shot her gun, instead of her taser, at another black man during a traffic stop, killing 20-year-old Daunte Wright. Demonstrators poured into the streets. Cities across the country have seen nights of arson, looting, and violent clashes with police. To help us gain perspective on what’s happening and what might lie ahead, is Sgt. Betsy Smith, spokesperson for the National Police Association. And Andy Ngo, independent investigative journalist and author of “Unmasked: Inside Antifa’s Radical Plan To Destroy Democracy.” On the campaign trail, packing the Supreme Court became a hot topic. Candidate Joe Biden refused to say whether he was in favor of it or not, but promised to study the matter. To that end, on April …