[Who is holding same-sex marriage back][link]? You guessed it: Old people and the south. The difference in acceptance between 18-29 years-olds and 30-44 year-olds is striking.
[link]: http://contexts.org/socimages/2009/11/05/support-for-same-sex-marriage-by-age-and-state/ “Support for Same-Sex Marriage by Age and State » Sociological Images”