Here is the next Gospel Doctrine lesson. It includes a link to my in depth study of Abraham and Melchizedek (including Nag Hammadi, Dead Sea Scrolls, etc), and a discussion on Sodom and Gomorrah.
http://joelsmonastery.blogspot.com/2014/02/ot-8-living-righteously-in-wicked-world.html
The message? Flee away from Sodom and go to the New Jerusalem.
Read there/comment here.