With the Castro era coming to a close in Cuba, it may be time for President Donald J. Trump to take back some of his predecessor’s concessions to Havana.

Japanese Prime Minister Shinzo Abe is positioned to push constitutional revision following his landslide electoral win, but his efforts will be challenged at home and abroad.

Zimbabwe’s founding father, Robert Mugabe, ushered his country into independence, then established a tyrannical regime and presided over the destruction of the economy. He was ousted in a November pa…