Again, you don't put a child from bad to worse:
So don't adopt children out to nude men?
All adoptive families in the US (unless they are doing an adoption through an attorney in Georgia) must be screened through a home study. A home study is done by a social worker who determines that the home is safe emotional and physical place for a child. Most states also require adoptive parents to have a fingerprint background check.
Read more: Is there a screening process that adoptive families go through Adoption Questions
Rather than discriminating against homosexuals- simply because you hate homosexuals- and denying children parents that will support them emotionally and financially for the rest of their lives- screen adoptive parents for what does matter.