The Mississippi Supreme Court heard arguments last week about whether a boy born to a lesbian couple should be legally considered the biological son of his mother's female partner. Because of the nature of the child’s conception and the relationship of the adults in his life, the story is complicated. The two women who were “married” chose to have a child that would be conceived in one of them via anonymous sperm donation. The boy is now six years old. His mother’s “ex-spouse,” who helped raise the child from birth, sought to be recognized as a biological parent when the...