Back in the CB days the police did a good job not only of monitoring Channel 9 (emergency channel) but also of listening to the other channels for suspicious stuff.
I'm not claiming that truckers never speed or try to figure out which weigh stations are closed/open, but they're better than 99% of the drivers on the road, and they know when something's just not right.
Tim.
The DARPA/Army tech people are generally very interested in ultrasound techniques for beaming vocal messages straight into a crowd's head.
Lightning displays at the same time don't hurt either.
Lotsa activity by the Tesla coil people along these lines the past few years, and a good article in Sunday's Washington Post magazine too.
Tim.
I would settle for the monolith falling from Outher Space and landing on Congress ;-)
Are you trying to tell everyone that Arnold isn't an alien?
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