Joe Cardona es presentador de 'ArcoÃris' en Radio MartÃ
Filmmaker hosts 'ArcoÃris' on Radio MartÃ
El tema ha provocado debate público raro
Issue has sparked rare public debate
Slow, expensive internet access remains barrier
How dissent singles citizens out for harassment, discrimination
Referendum expected to take place later this year
Evangelical churches on island behind anti-marriage campaign
Recent incident in Havana sparked criticism
Incidente reciente en La Habana ha provocado crÃticas
