While more than 70 percent of U.S. states now allow same-sex marriage, the waves of change have yet to reach America's far-flung and socially conservative territories in the Caribbean and Pacific. Of the five territories, only Puerto Rico has faced a lawsuit seeking the right for gay and lesbian couples to wed, and a federal judge there — bucking the trend in federal courts on the mainland — rejected the suit. In the other four territories — the U.S.