Your job is not your calling. Your job is what you do to put food on the table. Your calling is the most important thing you can do in which you would be most difficult to replace.
Here, I apply this distinction to the careers of lawyers. I delivered it at a meeting of the Federalist Society.
The video suffers from a whiteboard behind me. I gave this lecture in a university classroom. The reflected light caused the aperture in the camcorder to close a bit, and this made my face look shadowed. The sound is OK.
I produced this video with equipment that cost under $200. If you want more information, click here.
Here is the lecture. It was about 45 minutes long.