BFRH 2024 07 25: Robert A. Heinlein Roundtable Discussion Encore; and Tinker by Wen Spencer, Part 62. Video at https://www.baen.com/podcastfiles/mp3/video-baen-free-radio-hour-Robert-Heinlein-Roundtable-Encore-Tinker-Part-62.mp4 and at https://www.youtube.com/channel/UCjV7Nn4-bkB48wDjtobIuPQ.