The American Civil Liberties Union has filed a lawsuit to challenge a new Arkansas law that prevents unmarried couples who live together from being adoptive or foster parents.

Act 1 -- approved by Arkansas voters in November -- limits adoptions to married couples, effectively barring singles, unmarried heterosexual partners, and homosexuals from adopting children. Jerry Cox of the Family Council Action Committee of Arkansas expected the lawsuit but believes the amendment is in the best interest of the children...