Jury selection for the trial of Derek Chauvin begins. And, tips for hunting vaccine appointments online. Read more:Proceedings have begun for the trial of Derek Chauvin, the former Minneapolis police officer charged in the killing of George Floyd. National reporter Mark Berman talks about what to expect at the beginning of what will be a lengthy and highly contentious trial. Outside the Hennepin County courthouse, Joshua Lott describes what it’s like to photograph a city on edge.Check out The Post’s award-winning special report, George Floyd’s America. Also, tech columnist Geoffrey Fowler with tips for nabbing an appointment online for a vaccine.