Are y'all only protesting for an hour?

I'm confused are these priests only lasting an hour? There were only 15? People there

Bertolt Brecht, playwright and screenwriter
Richard Collins, screenwriter
Howard Koch, screenwriter
Gordon Kahn, screenwriter
Robert Rossen, screenwriter and director
Waldo Salt, screenwriter
Lewis Milestone, director
Irving Pichel, actor and director

Alvah Bessie, screenwriter
Herbert Biberman, screenwriter and director
Lester Cole, screenwriter
Edward Dmytryk, director
Ring Lardner Jr., screenwriter
John Howard Lawson, screenwriter
Albert Maltz, screenwriter
Samuel Ornitz, screenwriter
Adrian Scott, producer and screenwriter
Dalton Trumbo,

Does anyone post flyers for this around the city?
This is the first time I'm hearing about this and it's tomorrow

Take that Martin Van Buren!

I have to say. This is the first I'm hearing of this.

Working on it!