Most recent discussions of the sin(s) of Sodom and Gomorrah focus on whether homosexuality is the sin that brought God's wrath down on them or whether it was instead lack of hospitality. It's as if the point of this passage is to score points in the debate over homosexuality, which misses the point entirely. I was therefore thoroughly impressed with the job David Wayne did at treating the question of the sins of Sodom and Gomorrah.
David looks to the text and draws out its implications based on what it actually says and what the things it says assume. The picture of the sins of Sodom and Gomorrah is much more comprehensive and shows elements of degredation along most axes. Progressives and conservativees alike should have serious moral difficulties with most of the items on the list, even if some aspects of a few of them might be controversial.
David's point is that Billy Graham was wrong to say that the U.S. is worse than Sodom and Gomorrah. While I'm not going to weigh in on that debate, I do want to draw attention to Jesus' comment that the people who rejected him would wish they were in Sodom and Gomorrah because their punishment would be worse than Sodom and Gomorrah's. It certainly creates trouble for the picture of Jesus as the non-judgmental peacenik, but I think we miss the point again if we leave off at such observations. His claim is that those who reject him are worse than the significant picture of evil (in largely-unconstroversial terms) that David presents, not perhaps morally worse in their everyday lives but worse in the most important aspect of human life, which is our attitude toward God.
So if we're going to weigh in on whether Billy Graham is right, we'd have to evaluate whether current American culture is more at odds with Jesus than those Jews of his day who rejected him. That would be more immediate to the question than trying to observe the inner attitudes behind the actions by comparing outward behavior with the outward behavior in Sodom and Gomorrah.