No one knows how many people will be there. No one knows what kind of impact it will have. What we do know is that it will be huge. Crowd estimates range from 100,000 to 500,000, and Beck has been preparing for this thing for over eight months. Counter-protesters will be there en masse, and Townhall.com will be around to tell you all about it. Stay tuned for our extensive coverage tomorrow afternoon, and tell us what you think in our comments section.