Which of these global hotspots is most likely to boil over?

Recent news of Fidel Castro's failing health has shone a spotlight on his succession plans and the likely composition of the regime in his absence. Was his two-week-long disappearance an opportunity to test who showed loyalty to Castro and who would exploit his ill health for political gain? Is trouble brewing in Cuba, and can we expect civil unrest in the country's post-Castro era? Whatever the result, the insurance world needs to be aware of the risks associated with regime change and inst