Activists from Haiti among hundreds of attendees
Gay and Lesbian Victory Fund CEO sharply criticizes Roy Cooper
Cuban president's daughter did not provide specific details
Gov. Terry McAuliffe also expected to attend
Victory Institute co-sponsoring two-day gathering
CitizenGO has similar campaigns in Spain, Guatemala
Advocates criticized government's response, impunity
Delegation met with advocates, politicians
SB 1324 'discriminatory' against same-sex couples
Letter sent to President Trump on Jan. 31.