I know Greg Koukl, and he is a very thorough thinker.
More than that, he is a fantastic public speaker—amiable, interesting, and thought-provoking.
Do yourself a favor and take a look at these:
His “Columbo” talk,
https://vimeo.com/13775550
and his take on “intolerance”,
https://www.youtube.com/watch?v=KG_R9e60Wp4&t=726s
Thanks. I’ve watched a few of his videos, but find they overly long and drawn out. But I’ll try again. :)