This week on A Prairie Home Companion it's a special summertime compilation show about radio, with Studs Terkel, Bob Edwards, and Meryl Streep. Also with us, The Royal Academy of Radio Actors: Tim Russell, Sue Scott, Tom Keith, and Fred Newman, the Guy's All-Star Shoe Band, the Powdermilk Biscuit Band, and we'll hear the story of how Garrison got started in radio at the University of Minnesota.