GREAT ARTICLE!!!
There is no right to privacy in public places.
Therefore, as long as We, The People insist that the government protect us from ourselves, we're going to have to put up with these encrouchments. We can't give the government the responsibility of protecting us, without also giving them the authority that goes with it.
That being said, I agree, there are very legitimate purposes for these technologies, and there is a huge amount of room for abuse by "Big Brother". We hope those officials have the wisdom, intelligence and discipline to use them responsibly; but from your own experience, we know that they don't always measure up to our expectations.