The way the two major parties control the presidential debates is a perfect microcosm of how political debates are restricted in general. Though typically shrouded in secrecy, several facts about this process have recently come to light and they are quite instructive.
The conflict has been exciting, agitating, all-absorbing, and for the time being, putting all other tumults to silence. It must do this or it does nothing. If there is no struggle there is no progress.