An element of political correctness has fed into this election's unknowns; people are afraid to talk, to joke, to be themselves. Last week, journalist Betsy Fischer Martin took umbrage over a United Airlines pilot's compliment to flight attendants; he called them “pretty young ladies.” Martin used her large Twitter following to demand that United do something about the pilot's behavior. This outrage-industry of the left is crushing us. Everyone is 1 degree away from melting like a snowflake over some imagined slight, and everyone is afraid to talk about it, for fear of sounding offensive or being labeled anything that...