The stakes in 2016 are huge and the party is fractured. The rhetoric reflects a Trump Derangement Syndrome in which Trump is either a monster or a savior, instead of a politician. On the left, Bush Derangement Syndrome expressed itself in the conviction that he was unalterably and uniquely worse than every other president and would get around to declaring martial law and ruling forever. The danger of exaggeration is that previously unacceptable views suddenly become acceptable. Bush Derangement Syndrome made it acceptable for Democrats to descend into open treason by making common cause with Saddam Hussein, the Sunni terrorist...