Officials from across region attended launch in Mexico City
Funcionarios de la región asistieron el lanzamiento en México
Nick Herbert acknowledges episode damaged UK 'global reputation'
Event to coincide with London Pride's 50th anniversary
Nick Herbert praises efforts to evacuate LGBTQ Afghans
Taliban has threatened to execute gay people
Taliban entered Kabul on Aug. 15
Mark Takano among Global Equality Caucus founding members