Congressman Joe Wilson (R-South Carolina) calls President Obama a liar.

That’s disgraceful.

Some Democrats want him censured.

Michael Pollan is a professor of journalism at the University of California, Berkeley.

He’s a prolific author and speaker.

And he’s a campaigner for fresh, wholesome, locally grown organic food.

He’s the author of many books, including The Omnivore’s Dilemma.