Alan Prendergast

Drug kingpin Joaquín “El Chapo” Guzmán and Miami con man Jimmy Sabatino are the only current residents of the solitary confinement unit known as “The Suites.”

Fifty years of bloody conflict in Colombia — thousands of deaths from firefights, sniper attacks, bombings, assassinations, and mass executions — and it all comes down to this: a group of government negotiators and rebel leaders sitting around a big table, talking about land reform and crop subsidies and what...