Argentina’s peso crisis and the stabbing of a far-right candidate in Brazil echo the region’s past economic instability and political violence. Mexico’s oil industry, too, may revisit the 1970s; Venezuela is in a totalitarian time warp. But history doesn’t have to repeat.
Raul Castro's coming handover of Cuba's presidency is an effort to prolong beyond his own life span the communist revolution he built with late brother Fidel. Trying to modernize could also destroy it, though. And with neighbor Venezuela getting less able to provide cheap oil, economic reform can't wait.