More “Moth Radio Hour.” That’s what we’ll all be hearing, thanks to a $750,000 grant from the John D. and Catherine T. MacArthur Foundation. The Moth, a nonprofit dedicated to storytelling, is one of 15 organizations in six countries to receive the 2012 MacArthur Award for Creative and Effective Institutions, announced today. The grant will be used to expand the “Moth Radio Hour” from 10 episodes each year into a weekly series, starting in January 2013.