Do you think those who have reservations about whether man is creating global warming should lose their jobs and be denied the right to present their views? Over the last few months, there has been a concerted effort to silence those who have doubts about global warming and man's effect on the climate. The Oregon State climatologist was fired for disagreeing with the "conventional wisdom." A meteorologist with the weather channel demanded that dissenting views not be broadcast. CNN, in particular, has treated skeptics with great disdain. As an economist, I do not claim to know for certain who is...