CARACAS, Venezuela — At a protest last week in front of Venezuela’s Supreme Court, relatives of political prisoners held photos of their loved ones and wore white T-shirts that read “Free all political prisoners.” While demonstrators stood hand in hand in a semicircle chanting, “Justice, justice, justice, and freedom. All are innocent. None are criminals,” police stood by and watched — something unthinkable just a couple of months ago. “Here at the courts, they still haven’t told us where