"I am a professional junk mailer," Rothfeld said in a 2012 talk to the Young Americans for Liberty National Convention, according to BuzzFeed News.

Yes, my favorite poet was sending me a junk mailer: If I bought two towels, I could get 10 percent off.

“I am a professional junk mailer,” Mr. Rothfeld said at a lecture entitled “The Real Nature of Politics,” which was posted on YouTube two years ago.