The real reason the United States lags the world on LGBT rights.

Joseph Fons holding a gay pride flag in front of the U.S. Supreme Court building in Washington on June 15. (Photo: CHIP SOMODEVILLA/GETTY IMAGES)

By a 6-3 margin, on June 15, the U.S. Supreme Court ruled that Title VII of the Civil Rights Act of 1964—a provision that bars discrimination based on a number of characteristics, including sex—applies to discrimination on the basis of…