How the background commentary came to be

In a recent audio podcast, Logos interviews Craig concerning how the background commentary came to be (and, more briefly, the miracles book).

https://www.youtube.com/watch?v=Yln39__aaLo

(The link here can be opened most easily after you click into this post.)

The link below should have the same interview.

https://soundcloud.com/logos-bible-software/m-ed-podcast-07-31-2014