This past summer I had the privilege of spending a weekend with a group of junior high students. My talks from that weekend are posted here and here. This question came during a time of Q&A after my talk on why God allows evil.
If you are interested in having me speak at your church, camp, or youth group, click on the Endorsements & Speaking page to see my list of topics and contact me at Speaking Requests or email me at email@example.com. You can select a topic from the list or suggest your own. I am happy to help in any way I can. God bless!