Filmmaker hosts 'Arcoíris' on Radio Martí
Mariela Castro accused of manipulating advocates
Latin American men hired for clandestine effort
David Bustamante Rodríguez reportedly beaten during May 26 arrest
Groups describe gathering outside Havana as a “mockery”
Critics of island's human rights record criticize organizers
Mariela Castro sought to amend country's employment law
Ignacio Estrada Cepero and Wendy Iriepa Díaz met with Fla. congresswoman
Ileana Ros-Lehtinen met with Wendy Iriepa Díaz and Ignacio Estrada Cepero.
Ignacio Estrada Cepero and Wendy Iriepa Díaz remain critical of island’s government
