Gospels as biographies–what are the implications?

This 13-minute video was the introductory part of a lecture that Craig gave regarding the Gospels at B. H. Carroll Institute in Texas in May 2014:
https://www.youtube.com/watch?v=qya_IcKG7dE

Some of Craig’s other videos posted earlier address similar issues, e.g.:

http://www.craigkeener.org/can-we-trust-the-disciples-to-have-remembered-jesus-teachings-correctly/

http://www.craigkeener.org/gospels-as-ancient-biographies-part-1/

http://www.craigkeener.org/gospels-as-ancient-biographies-part-2/