The presentation was the keynote talk at the first annual conference of Christians for Liberty, that was held at St. Edwards University in Austin, TX, August 2, 2014.
[Hat tip to D.J.T.]
"What is the first business of philosophy? To part with self-conceit. ...It is impossible for anyone to begin to learn what he thinks he already knows." -- Epictetus (c. 100 A.D.)