As it turns out, I didn't go to the protest, not because the weather was bad but because I went to bed at one thirty, set my alarm for ten thirty, and then stayed awake stressing and making lists until three thirty, at which point I turned off my alarm clock, rolled over, and woke up at noon.
Given that the torrential rain we were expecting didn't actually show up, I kind of regret not heading up to New York, but I DON'T AT ALL regret getting enough sleep to function.
Instead of my exciting tales of protestation, have a poster: