Open this photo in gallery: Former president Donald Trump speaks during a rally, on Oct. 16, in Adel, Iowa.Charlie Neibergall/The Associated Press This Republican primary race has developed a surreal quality to it. The front-runner to become the party’s presidential nominee in 2024 has turned his nose up at debating his rivals, a ragtag bunch of B-listers that most Americans could not pick out of a police line-up. Donald Trump has such a huge lead in primary polls it seems pointless to even hold a vote. And yet, it is hard not to get the impression that Americans are sleepwalking...