NPR's Michel Martin speaks with Greg Waller, a hydrologist at the West Gulf River Forecast Center of the National Weather Service, about the conditions that factored into the deadly flooding in Texas.
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Michel Martin is the weekend host of All Things Considered, where she draws on her deep reporting and interviewing experience to dig in to the week's news. Outside the studio, she has also hosted "Michel Martin: Going There," an ambitious live event series in collaboration with Member Stations.