Why the Supreme Court legalized gay marriage, in one paragraph

On Friday, the Supreme Court ruled that marriage is a constitutional right that extends to all couples, legalizing same-sex marriage in all 50 states. In the full text of the decision, Justice Anthony Kennedy ended his opinion with a stirring tribute to the power and importance of marriage as an institution: No union is more profound than marriage, for it embodies the highest ideals of love, fidelity, devotion, sacrifice, and family. In forming a marital union, two people become something greate...