No scene has dominated U.S. politics since 2015 quite like Donald Trump on stage, waxing on for an hour-plus in front of a chorus of red "Make America Great Again" hats.

The stream-of-consciousness routine, the interrupting one of his thoughts with the next, is not a polemic Cicero or Lincoln would recognize. The former president and Republican nominee calls his style of speech "the weave," whipsawing from dystopian warnings to light-hearted storytelling to policy pronouncements.