Race and the Christian: An Evening with John Piper, Tim Keller, and Anthony Bradley (2012, New York City)
https://www.youtube.com/watch?v=K8CLHViMKR4
https://www.youtube.com/watch?v=EhJJcTKTVGo
https://www.youtube.com/watch?v=PtYrFCn8ncI
Video of all three presentations and their transcript can be found at the Desiring God website here.
https://www.youtube.com/watch?v=zohRZjxwsss