Mr. Erdoğan is a dictator with strange ideas, wild ambitions and no restraints. The invasion of Syria has made a domestic and regional tragedy the most likely outcome.
How can the outside world prevent catastrophe? By terminating its disgraceful indulgence of Mr. Erdoğan. Donald Trump is only the latest politician to fall for his mysterious charms— George W. Bush, Barack Obama and Angela Merkel, among others, preceded him. Mr. Erdoğan deserves punishment, not rewards, for his outrageous behavior. His heading a North Atlantic Treaty Organization member country should raise, not lower, the bar.
Read the full article at the Wall Street Journal (subscription required).
Daniel Pipes is president of the Middle East Forum.