by John Stossel
Do you worry that you're being watched? If you drive, you probably are. My new video covers the cameras that photograph the backs of millions of cars.
A company called Flock has 80% of that market. Flock's CEO says the goal is to 'eliminate crime.' But lots of people hate the cameras. 'We are asked to give up our privacy for really nothing in return,' says ACLU lawyer Chad Marl…