Took 2 seconds to find their website via google search.
You can sign up for email updates. And another counter-demonstration is listed on the events schedule for Sat the 16th. Joe, perhaps you'd like to contact them directly? There's even a phone # on the website.
Never linger too long with the ignorant,
throw stones at their talk.
Walk only with the lovers,
the mirror of the soul gets rusty when
dipped in muddy water.