On the 10th anniversary of the Supreme Court decision legalizing same-sex marriage nationally, supporters say they are secure but also wary and watchful.Could same-sex marriage be next?Gay Americans and their allies have much to celebrate on Thursday, the 10th anniversary of Obergefell v. Hodges, the Supreme Court decision that legalized same-sex marriage nationwide. Same-sex marriage has, by almost every indication, become ingrained in everyday American life. Since the decision, there have been 591,000 same-sex marriages, and today, nearly two-thirds of Americans approve of the policy. Same-sex couples are staples in contemporary movies and television shows, and reside, often with their...