Tucker Carlson, host of Tucker Carlson Tonight on Fox News, speaks during AmericaFest at Phoenix Convention Center in Phoenix, on Dec. 17, 2022. (Rebecca Noble/The New York Times) A text message sent by Tucker Carlson that set off a panic at the highest levels of Fox on the eve of its billion-dollar defamation trial showed its most popular host sharing his private, inflammatory views about violence and race. The discovery of the message contributed to a chain of events that ultimately led to Carlson’s firing. Advertisement In the message, sent to one of his producers in the hours after violent...