When future historians check our etched rock records for clues as to how civilization collapsed, let those records show that a decent percentage of blame could be traced personally to that most hackish of political hacks, Reince Preibus. CNN’s Wolf Blitzer asked Priebus how Trump had prepared for Monday night’s face-off at Hofstra University in Long Island. “Studying, preparing, going through hypotheticals and what scenarios might come up, but he's very comfortable,” the RNC chair replied.