Banning knives on airplanes will not make planes safer. The only reason the hijackers got away with it this time is because no one had ever done something like this before. The next poor hijacker-wannabee is going to get beaten to a pulp by the passengers and crew. Give me a break. They're as much of a threat, if not more.
Unfettered software is available, and anyone who wants to can use it.
All it means is that we give the government that more power over our lives and one day we'll regret it, just as Germany did in the 1930's. I was lucky enough to visit the World Trade Center once. It was in 1989, when I went to NYC for the gay pride parade celebrating the 20th anniversary of the Stonewall Riots that marked the start of the gay rights movement. I haven't decided for sure what to do next, but I've been running a public access system in my spare time. It's called Agora , and I've been running it since 1985.