What's Causing Water Shortages in Ghana, Nigeria?

Aired: 3/15/2012 | 0:08:53 | Clip
Two journalists investigate the challenges of bringing the most basic necessity to the people of Ghana and Nigeria: clean, safe water. As part of a collaboration with the Pulitzer Center on Crisis Reporting, special correspondent Steve Sapienza followed them as they searched for what's causing the water shortages.

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