People and businesses can also relocate to Neveda very easily. It's only 2 hours away for most of us.Voting with your feet is probably the best option currently (actually lining the bums - including the staff of the Bee - up against the wall is the best option, but I don't think that it would get much popular support in terms of people actually doing something)
It's not a happy thought but if the terrorists suceeded in dirty bombing one California city with the contents of a dentist's x-ray machine it would be all over for the city-dwelling Democrats in power.