In the ContraCosta Times, David Harsanyi writes:
You’ll often hear the left lecture about the importance of dissent in a free society.
Why not give it a whirl?
Start by challenging global warming hysteria next time you’re at a cocktail party and see what happens.
Incidentally, I’ve been meaning to link to this superb Julia Gorin essay on the topic, but never got around to it and this seems like a great post to hang it off of.
(Both found via Tim Blair.)