Eastern Kentucky is facing a new danger after last week's devastating floods. Relief workers on Wednesday labored in heat indexes climbing to 100 degrees, as clean-up operations continued. More than 400 national guard troops are also deployed across the region to help residents. Misty Thomas, executive director of the Western Kentucky chapter of the Red Cross, joins John Yang to discuss. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders