I have to be at work at 4am, and early commuters get to see a whole different, much emptier side of the city that most (sober) people rarely experience. Most of the time, it's quiet, save for the few occasional drunks. At most, the worst part about the commute is the smell that permeates the two-car Red Line train at 3:25 in the morning. But sometimes things do get scary—and dangerous. If they're around, this is where members of the Guardian Angels step in. more ›