Looks like Eschaton readers are all over this issue--check out the comments.
One commenter posted the following links re lawsuits:
CNN: Protestor subpoenas Ashcroft, Bush adviser
Economist: In defence of elderly hippies
ACLU Press Release: Secret Service Ordered Local Police to Restrict Anti-Bush Protesters at Rallies, ACLU Charges in Unprecedented Nationwide Lawsuit
CBS: Silencing Voices of Dissent
