Stacey Vanek Smith January 18, 2018 20180118_atc_whats_really_the_biggest_threat_to_the_coal_industry.mp3 Listen • 3:41 20180118_atc_whats_really_the_biggest_threat_to_the_coal_industry.mp3 Copyright 2018 NPR. To see more, visit http://www.npr.org/. Stacey Vanek Smith
