Cuba's long ailing power supply fails

It's been days since Cuba's nationwide blackout first started, though there have been brief interludes where parts of the island have regained power. Officials say they're working on it, but the roots of the crisis are in a power system that's long been undependable. Emily Morris, a senior research fellow at the University College London's Institute of the Americas, who visits Cuba and focuses on its economy, explains the origins of the crisis and where it's headed.