He argues that the Supreme Court decision on same-sex marriage does not extend to adoption rights.
Chelsea, who returned home last week after being missing for several days, decided to move in with her birth mother upon turning 18.
Mississippi is the last state with such a ban.
Mexico's Supreme Court ruled that bans on same-sex couples adopting are unconstitutional.
The landmark Supreme Court marriage equality ruling leads to a legal victory for same-sex parents in Utah.
The civil rights organization is hunting for a constitutional solution to the law that discriminates against LGBT couples.
Michigan's governor has signed a bill granting faith-based adoption agencies in the state the power to refuse to allow LGBT people to adopt, or place foster children in homes headed by LGBT Michiganders.
If signed into law, faith-based adoption agencies in the state could refuse to allow LGBT people to adopt, or place foster children in homes headed by LGBT Michiganders.
U.S. Sen. Kirsten Gillibrand will introduce a bill to ban discrimination against LGBT people who seek to adopt children.
President Obama makes LGBT history again by advocating foster and adoptive parents be chosen without regard to sexual orientation or gender identity.