Well, they are inferior. Especially when it come to reproducing, the most cherished and God-blessed part of a man/woman marriage.
Studies indicate they are inferior relationships and that “marriage” doesn’t improve them. They’re worse for adopted children. There is no “gay” gene and no scientific reason to believe that homosexuality isn’t a mental disorder.
Listen here for the history: http://www.thisamericanlife.org/sites/all/play_music/play_full.php?play=204
It’s NPR and it’s accurate. It will hold water with liberals if you choose to share it with them.
It’s not discriminatory to recognize an otherwise normal person with a mental illness. Manic-depressives are treated and function normally, some so well you’d never guess they suffered from a mental illness. This type of accommodation will simply hurt them and America.