Check out this article about the gay marriage arguments going on within the Supreme Court for the next two days.
http://www.npr.org/blogs/thetwo-way/2013/03/26/175338847/monumental-gay-marriage-cases-could-set-law-for-centuries
http://www.npr.org/blogs/thetwo-way/2013/03/26/175338847/monumental-gay-marriage-cases-could-set-law-for-centuries