It’s about time I started expanding my Book Byte entries to talking about writers and storytellers who spin tales in mediums other than just the printed word. Garrison Keillor Although Mr. Keillor has written some printed books, I think he’s best known for his radio show “A Prairie Home Companion” on PBS Radio. His tales of awkward, dysfunctional, humorous, and down-to-earth life in the made-up Midwestern town of Lake Wobegon have captured the hearts of anyone who has heard his show. The movie “A Prairie Home Companion” (the last movie in the illustrious career of Robert Altman, one of my favorite directors) really captures the feel of Keillor’s stories, his…