Tell them you want to come in and pray. Dress conservatively, no signs visible, etc. Be very "kind" and "earthy."
Bring in a large group, (first in hold doors open for rest, etc.)
All gather in main room as the bozos are about to begin their speeches.
On cue, everyone get down on knees, interlock arms, say Lords Prayer (loudly) then equally loud prayers for troops in Iraq., President Bush, VP, SOD, every R congressman by name, the Republic, soul of President Reagan, souls of these traitors and obvious friends of whatever local elected Dem you hate the most gathered here tonight to promote the destruction of our country, etc, etc.
You can work that for about 45 to 60 minutes easy.....
Whatever they say, just keep praying louder, sing "We Shall Overcome", "Rock of Ages," "Onward Christian Soldiers" etc. .
Have two people shooting video. Have praying people interlock arms..... Take signs out from under coats. Just DARE them to try to remove praying people in church or church reception.......
As soon as you begin, have multiple people call TV stations, take still pics, etc. Have lawyer (real or someone with gray hair, a good suit and a bad attitude) with you to threaten litigation if "these peaceful Christian people are touched or disturbed in any way...."
If cops come, even better, Christians thrown out of a church....
This could be a hoot.