A request for details on anti-corruption practices wiped more than $6 bln off the commodities giant's value in a week, raising questions over its future. Yet action is not without a sting for Washington too - if it leaves China even more dominant in resource-rich trouble spots.
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.