Ira Glass had lost his voice. That gentle, reliably nasal, public radio staple of a voice had been worked hoarse. On any given day, this would be an issue for Mr. Glass, 55, whose award-winning show, "This American Life, is broadcast on nearly 600 stations and is consistently the top podcast on iTunes.
Jad Abumrad and Robert Krulwich addressed the controversy surrounding the September 2012 episode Yellow Rain. Andrew Lapin writes in the public media trade publication Current that the program revisited the use of chemical weapons against the Hmong people in the closing days of the Vietnam War.