Man it's great to see someone stand up so effectively against bullies. Please read Cheryl Abbate's response to the controversy that erupted when a student recorded her without permission, a fellow professor defamed her on his blog, and then the right wing media credulously reported the lies.
Something very similar actually happened to my friend Mark Silcox a few years ago before he had tenure. A student representing a national right wing group came to a meeting of the philosophy club that Silcox advises, recorded the whole thing, and then posted stuff out of context on the internet. Given Mark's sardonic sense of humor it was easy to do the gotcha thing with out of context clips. Luckily, UCO stuck up for Mark.
Unfortunately the laws about this vary from state to state. Here's a bit from the Digital Media Law project:
If you plan to record telephone calls or in-person conversations (including by recording video that captures sound), you should be aware that there are federal and state wiretapping laws that may limit your ability to do so. These laws not only expose you to the risk of criminal prosecution, but also potentially give an injured party a civil claim for money damages against you.
From a legal standpoint, the most important question in the recording context is whether you must get consent from one or all of the parties to a phone call or conversation before recording it. Federal law and many state wiretapping statutes permit recording if one party (including you) to the phone call or conversation consents. Other states require that all parties to the communication consent.
I'm going to find out what the law about this is in Louisiana, and if it's on the professor's side put it in the syllabus.
People don't understand how much creativity is involved in good teaching. The vast majority of us don't go up there and read off of an internal overhead projector. A lot of it involves opening your mouth and seeing what comes out. Given this, we all mess up sometimes and what comes out ends up being something that should not be put out on the internet (to be clear, that didn't happen in Abbate or Silcox's case).
In general, this gotcha culture of judging people by the stupidest thing they've ever said publicly is a threat to the free flow of ideas. I think we need to be better about publicly supporting people even when what they say actually is boneheaded, albeit this would be easier if those among us who are prone to saying boneheaded things were better about apologizing after the fact.