"World leaders, royalty, pop stars and drag queens will anchor this year’s 24-hour Global Pride livestream, the first worldwide L.G.B.T.Q. event. It is expected to attract up to 300 million viewers. Participants include Carlos Alvarado Quesada, president of Costa Rica, where same-sex marriage was legalized in May; Erna Solberg, prime minister of Norway; Xavier Bettel, prime minister of Luxembourg; Crown Princess Mary of Denmark; "