One of the core precepts of Reconstructionist thought is that Judaism is always evolving in response to times and circumstances–and thank God for that!
Homosexuality is one area where Judaism must change, as it has organically in so many other areas down the millennia. Certainly there are verses (two of them) in Torah that condemn homosexual behavior; but many of the standards of ancient Israelite society that we no longer would countenance are likewise enshrined in Torah. Slavery, stoning, vengeance killing–all of these practices are accepted or even promoted by the Torah. And yet we have no problem categorically rejecting them, saying that they no longer conform to a Jewish vision of a just and well-ordered society. Why should homosexuality be different?
Gay and lesbian couples deserve to be affirmed both civilly and religiously, acknowledging the couple’s legal rights and also the holiness that exists in nurturing and mutually supportive relationships.