Let the protesters make their "impact". It doesn't look like it'll have any pro-Kerry impact, and it may well have anti-Kerry (and by default pro-Bush) impact. Nobody who isn't already a diehard Kerry voter is going to be convinced by this display to go out and vote for Kerry on Nov. 2.
Hmmmm... sounds like C-SPAN is going out of their way to air the Fox News Sucks chants.... hmmm....