Dozens of states had ballot measures on same-sex marriage during the midterm elections in 2006, and the issue looks to heat up again as candidates campaign for 2008.
REPUBLICANS
John McCain
Supports definition of marriage as a union between a man and a woman, but opposes a constitutional amendment banning same-sex marriage. Says individual states should decide the issue. Says a federal marriage ban might be appropriate if courts overturned state marriage laws. Supports legal benefits for same-sex partners. Watch McCain speak about same-sex marriage
The issues that make up American politics have many voices. Here are a few governmental organizations, interest groups and companies from across the political spectrum that are actors in the debate over same-sex marriage.