America didn’t invent soccer, but this nation has taken global leadership in making the world’s game truly equitable. A May 18 collective bargaining deal solidified an arrangement a long time coming: equal pay for the men’s and women’s national soccer teams. It is staggering to contemplate how slow this progress has been. The Women’s World Cup — which the U.S. Women’s National Team has won four times — has been a global event since 1991. Yet, three decades later, it still took protracted negotiations and a lawsuit, settled in February, for America to become the first nation to equalize pay for…