Reince Priebus was the Republican National Committee chairman whose campaign ground game helped elect former President Donald Trump in 2016.
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Then, while serving as White House chief of staff, Trump fired him via Twitter.
On Tuesday, Priebus was the Wisconsinite welcoming the party to his home state and lauding Trump.
"When Donald Trump tells you what he will do on the campaign trail, look out, because he will deliver," Priebus said. "Let's stand united … and let's reelect Donald Trump president."