President Obama has said that same-sex parents and their children influenced his decision to support marriage equality. And in the Washington Post recently, Janice D’Arcy asked, “Has gay parenting ‘normalized’ the perception of gay relationships?” The interaction between LGBT parenting rights and relationship rights is indeed a fascinating and important question—and one charted in part by law professor Carlos Ball, whose new book also gives us a compelling history of the expansion of LGBT parenting rights. Here’s my review of his work, originally published as my Mombian newspaper column.