Today another story by Randall Garrett and a novella by Mack Reynolds that was later included in his fixup novel Planetary Agent X (1965).
"Fifty Per Cent Prophet" by Randall Garrett
"That he was a phony Swami was beyond doubt. That he was a genuine prophet, though, seemed ... but then, what's the difference between a dictator and a true prophet? So was he...."
Ultima Thule by Mack Reynolds