CNN national affairs correspondent Jeff Zeleny on Friday poured some cold water on a Trump supporter’s hope that the former president would tone down his talk of going on a scorched-earth revenge campaign. After playing footage of Wisconsin Trump supporter Tony Duckert arguing that Trump will do well in the coming weeks if he focuses on policy and not on his personal grievances about being found guilty on 34 felony counts. “In one respect, it’s like, ‘Good luck with that,'” he said. “That’s what Donald Trump does.” Want more breaking political news? Zeleny then explained that Duckert said he s…