Late Wednesday afternoon, while my fellow prisoners of the MBTA were smashing their way out of a smoke-filled train at Back Bay station on the Orange Line, I was four stops away at State Street, having flashbacks to the brutal winter of 2014-15, a time when I did not descend into the tube without expecting to be delayed, stranded and ignored. At about 4:40 p.m. on Wednesday, a motor on a train pulling into Back Bay began filling with smoke due to what the T later described as a “propulsion issue.” There was a fire of some sort, which, one T official said, “caused a large arc and an explosion.” The fire “also caused trash to catch fire, creating an exorbitant amount of smoke,” that official said. (Yes, there’s almost always enough trash on the T tracks to catch fire.) Three people, overcome by smoke, were taken to the hospital. Boston Magazine had an irreverent account of the episode up on its web site in no time, God bless them. “The real story,” the magazine...