The Volokh Conspiracy
Mostly law professors | Sometimes contrarian | Often libertarian | Always independent
You can see the details and links here; topics include the unitary executive, judicial review, nondelegation, nationwide injunctions, "federalism, COVID-19, and the administrative state," and more. You can call in to the teleforums at is 888-752-3232, and you can watch the videos at the links. It's free, and no registration is required unless you want to ask questions.
I'm told that the videos will be made available in recorded form shortly after the panel, and the recorded audios will be available within several days (though of course you can also listen in live).