It’s hard to believe these sites cannot be shut down by the government. Afterall, we are at war with them. No terrorist website should be up at all if it is sponsored by any company in America! Am I missing something? and please don’t give me freedom of speech or whatever because it’s basically freedom to plot and kill us!
The FBI has an extensive cyber anti-terrorism program - see http://www.fbi.gov/page2/march06/cats030606.htm
Not to say it’s completely adequate but FBI is doing both domestic and international cyber projects.