Sometimes you can push hard on doors of opportunity and they remain steadfastly closed. That was my experience in Cuba, where for innumerable reasons the careful plans I had laid kept being upended by unseen events. But the compensations of travel in this fascinating country are great—not least encountering its pervasive political messaging system. . . Read more »

Despite his best efforts, Juan Carlos keeps getting the message: 'Access denied.' Photo by Kenney Warne.