tl;dr - Take the standard turing test that attempts to distinguish between human and computer generated text, and change the parameters slightly so that it attempts to distinguish between "this is what I believe" and "this is what my opponents believe".
https://en.wikipedia.org/wiki/Bryan_Caplan#Ideological_Turin...
tl;dr - Take the standard turing test that attempts to distinguish between human and computer generated text, and change the parameters slightly so that it attempts to distinguish between "this is what I believe" and "this is what my opponents believe".