Defending The Monorail

(This was originally posted on Straßgefühl . Comment is free.) Jarrett Walker at Human Transit provided a lengthy response to a comment I made on his blog in defense of monorail technologies. (I was seriously flattered by the shoutout.) In light of this, I'll post almost all of his (quite good) critique of my position, as well as a rebuttal of my own. I think I can answer most of J.D.'...