Bernie Sanders is pioneering the virtual campaign rally

Photo by KAMIL KRZACZYNSKI/AFP via Getty Images The audience for Bernie Sanders’ rally Monday night trickled in slowly, like it does for most of his music festival-like events. Concert-style rallies have been a signature Sanders tactic throughout the campaign, drawing in young voters with acts like Vampire Weekend and Bon Iver — but the coronavirus outbreak has made that tactic unusually risky. Still, he had no trouble drawing a crowd on Monday night, as campaign surrogates made spe