under fidel castro s watch cuba was not a welcome place to some of the world s foremost leaders, but things started changing in recent years under fidel s brother raoul. pope francis visited in 2015 and called on the communist nation to open itself to the world. he prays one major step in that direction, restoring diplomatic ties with the uted states. this historic visit with president obama ace years ago. for decades it was close to americans, and look at this that s not the holdover from the cold war, the country being closed to americans is the holdover. but this tick purchase, obama s visit marked progress above all, a new way of doing things in a new era. both the u.s. and cuba shut the door on a long-standing feud and opened their own doors to one another. let s bring in cnn correspondent rafael romo live