For a few weeks now HuffPost‘s Sam Stein has been getting used to his new elevated status as a booze hound who supposedly juices up his sources to get them to sing.

But now it’s time to retaliate. This afternoon the site has the professor who James O’Keefe allegedly tricked into talking sound off.

Dale Maharidge, Associate professor at Columbia University’s Graduate School of Journalism, writes on HuffPost this afternoon:

One morning last week, I received an email from David Weigel at Slate: the subject line referred to how I’d been “stung” by James O’Keefe’s Project Veritas. Believing it was spam, I sent it to my trash folder. Why would O’Keefe come after me?

Then I got an email from HuffPo’s Sam Stein, my former student, who was the on the other end of the operation. It turns out a kid who called himself “Lucas Fowler” had posed as a prospective student and surreptitiously filmed me. The appropriately-named Fowler came two times with a hidden camera to my office at the Columbia University Graduate School of Journalism.

…The video is worth viewing as comedy. I had a double reaction: laughter and anger.

Read here.