It comes from an article in Aeon
which makes no mention at all
of the Lakota in a cage...
|William 'Buffalo Bill' Cody (third from left) alongside the author’s great-great uncle Sheriff Plunkett (right) at Deadwood in 1906. From Deadwood: 1876-1976 (2005) by Beverly Pechan and Bill Groethe/Arcadia Publishing|