In this video series created by PulpitFreedom.org before the Supreme Court Struck down the Defense of Marriage Act and California Proposition 8, Dr. Robert A. J. Gagnon examines several key texts of Scripture and explains why homosexuality is a sin. Gagnon looks at the creation account in Genesis 1-2, the Sodom story, the Levitical prohibitions, the relationship between David and Jonathan, the witness of Jesus and the witness of Paul.