Well, to start Sunday Sites for o'nine, let's hit the most important social issue to be discussed in this new year. That is same-sex marriage.
http://jointheimpact.com/ The spearhead of the pro-same-sex marriage effort. Join the Impact.
http://en.wikipedia.org/wiki/Same-sex_marriage The usual background information on the issue, a great resource for finding facts to back up your arguments.
http://en.wikipedia.org/wiki/File:World_homosexuality_laws.svg Much of the opposition against same-sex marriage comes from long-brewing homophobia. Which must be eliminated through knowledge before more significant advancements can be made.
http://www.opposingviews.com/questions/should-marriage-for-same-sex-couples-be-legal But then, why do they hold their views? What rationales do they have?