Critics of island's human rights record criticize organizers
Arrests took place hours before Olympics opening ceremony
Russian president told George Stephanopoulos “everybody is equal”
Russian president made controversial comments in Sochi
Mariela Castro sought to amend country's employment law
Following victories on marriage, advocates say decades-old issue will get renewed look
Russia, Cuba criticized for anti-gay records
Igor Kochetkov had been scheduled to speak at human rights summit
Concerns over Russia's gay rights record discussed
Change comes against mounting pressure to respond to Russia law
