What Implications Does Penal Substitution Have for the Debate Between Limited & Unlimited Atonement?

In February 2018 Dr. Craig traveled to North Carolina State University for a series of speaking events hosted by Cru. On 2/24/18 Dr. Craig gave a lecture, followed by a Q&A time, on "Philosophical Issues in the Atonement." In this video, Dr. Craig responds to a question regarding differing atonement theologies.