You should too.
http://www.lc.org/index.cfm
Scroll down a little bit and you will see it under "Petitions." Click on "Federal Marriage Ammendment Petition."
Sorry DeGeneres, love ya to death, and your show too, but I don't want you to be allowed to marry Portia. To me, it cheapens what I have with my husband. Portia does have a cool name, though.