Within half an hour of the Cuban government’s official announcement that former President Fidel Castro had died, Miami’s Little Havana teemed with life – and cheers. Thousands of people banged pots with spoons, waved Cuban flags in the air and whooped in jubilation on Calle Ocho – 8th Street, and the heart of the neighborhood – early Saturday. Honking and strains of salsa music from car stereos echoed against stucco buildings, and fireworks lit up the humid night sky. [snip] Celebration, not grief, permeated the atmosphere. That was no surprise. Castro has cast a shadow over Miami for decades, and...