- Biden must seize Cuba opening as Raúl Castro steps down and Miguel Díaz-Canel steps up. A new leader in Havana provides an opportunity for those advocating for major change — largely the nation's youth — to push for reform more forcefully. https://www.nbcnews.com/think/opinion/biden-must-seize-cuba-opening-ra-l-castro-steps-down-ncna1264855 52 comments politics