Marta Jiménez, a hairdresser in Cuba’s eastern city of Holguín, covered her face with her hands and broke down crying when I asked her about Trump’s blockade of the island—especially now that the U.S.

Ten years have passed since Delrhonda Hood’s promise to God. Having made a name for herself in Detroit’s drug game, and having become a legend in the process, her reign in the streets hit a brick wall ...