As a followup to last month's announcement permitting lesbian and gay Americans to sponsor their partners for permanent residence, the U.S. has announced that it will extend the same visa rights to same sex partners as to opposite-sex partners. So Americans can bring their partners home, or travel with them.
For the whole story: http://www.reuters.com/article/2013/08/02/us-usa-gays-visas-idUSBRE9710NT20130802