The march in Louisville today had at least 2000 attendees on an uncomfortably rainy day. It would have been much larger, if it had been a bit drier. I've attached a few signs.

@gruber.foo I just read your "deep" musings on Daring Fireball. My first thought was cutting edge mathematical research off on the periphery of the known has been called "deep" by mathematicians since… well… forever.