This video, https://www.youtube.com/watch?v=2-T1jiSl2dY&list=PL2QSourJrpejtD2JtX2oxQYs0loheEinc, can also be seen at https://www.youtube.com/playlist?list=PL2QSourJrpejtD2JtX2oxQYs0loheEinc.