Social & Community WSIU'S Listening Project: Glenn Poshard on the Importance Of Serving Children WSIU Public Broadcasting | By Kevin Boucher Published May 29, 2019 at 7:00 AM CDT Facebook Twitter LinkedIn Email Listen • 4:00 A visit with Dr. Glenn Poshard, who visited with WSIU in late March of 2019 at the Southern Illinois Wellness Expo in Carterville.