Maryland parents have a religious right to withdraw their children from classes on days that storybooks with gay and transgender themes are discussed, the court ruled.Public schools in Maryland must allow parents with religious objections to withdraw their children from classes in which storybooks with L.G.B.T.Q. themes are discussed, the Supreme Court ruled on Friday. The vote was 6 to 3, with the court’s liberal members in dissent. The case extended a winning streak for claims of religious freedom at the court, gains that have often come at the expense of other values, notably gay rights. The case concerned a...