Roberta S. Jacobson: “The greatest progress so far is just the acceptance by both sides that we do want diplomatic relations.”

The exit of either of the Castro brothers is very, very significant.

But comprehensive changes in our economic relationship will require congressional action to lift the embargo, and the President has urged Congress to begin that effort.

The President's new approach makes clear that the United States can no longer be blamed as an obstacle to progress on such things as access to information or connecting Cubans to the world.

Venezuelans need to talk to Venezuelans.