For more background on the original "War is Over" campaign:
US vs John Lennon
It provides good insight into how politicians view and react to activists who start to become a little too effective. The more things change, the more they stay the same.
If you can, rent the DVD because the extras contain some really good commentary comparing the criminality of the Nixon adminstration to that of the Bush administration, and other good stuff.
I understand the pessimism many feel about making real changes on this dismal planet, but I have a vision of what is possible and I can't give that up.