Taking liberty to the airwaves: Join BIPPS for a Free-Market Friday on Louisville's 970 WGTK May 30, 2014 libertyontheair Bluegrass Institute President Jim Waters joins talk show host Joe Elliott for a Free-Market Friday today at @ 10 a.m. (EDT) on Louisville's 970 WGTK-AM. Listen live here. Then, if you like what you hear, help keep the Bluegrass Institute's voice on the airwaves by contributing here.