Who says public discourse hasn't deteriorated?

Conservative Columnist Got "Vicious And Threatening" Hate Mail For Saying Palin Unqualified

Allow me to introduce myself. I am a traitor and an idiot. Also, my mother should have aborted me and left me in a dumpster, but since she didn't, I should "off" myself.
Those are a few nuggets randomly selected from thousands of e-mails written in response to my column suggesting that Sarah Palin is out of her league and should step down.
Who says public discourse hasn't deteriorated?
Read the whole story here.