The Empire of Darkness, by the always eye-opening and entertaining Dr. Sean Hross. Try to look at the world the same after a tour through the Octogon.
( Swiss political prisoner and exile Dr. Hross has permitted and urged me to share his seminal videos--before Big Brother takes them from our screens.)
You can see more of the brilliant and essential "warrior-historian" Dr. Sean Hross's videos here:
https://www.youtube.com/channel/UCpdw_mI5bA-7X6eNNvMsTkg
https://www.youtube.com/user/chatzefratz
https://www.youtube.com/channel/UC2s5_24Z56UuqxUnHP6WM_Q