Do you carry a gun?Bad idea, says Hollywood. Civilians with guns are fools. You are more likely to hurt yourself than the bad guy.'Leave it to a good guy with a gun to really screw things up,' says a cop on ABC's 'The Rookie.'Liberal politicians agree. 'A good guy with a gun will stop bad guys with a gun?! It doesn't hold up,' smiles New York Gov. Kathy Hochul.'An ad...