Michael D’Antonio, who wrote a biography of Donald Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE, described the president-elect as someone who is “unable to control himself” when it comes to Twitter attacks in an op-ed published on Friday.

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“But critics who tell Trump to behave more maturely, even presidentially, are missing something crucial: The President-elect probably cannot control himself,” D’Antonio wrote in the New York Daily News. “

D'Antonio wrote the piece days after Trump wrote a critical Tweet about a local union chief at Carrier who had slammed Trump as a liar.

D’Antonio, who wrote the 2016 biography “The Truth About Trump,” said Trump recklessly used his “itchy Twitter finger” to harass the union leader.

D’Antonio said when he interviewed Trump in 2014, the president-elect bragged about his Twitter following and pointed to “his ability to provoke with his postings” as part of his “daily ego boost.”

“Unseemly and irresponsible in a candidate, Trump's overreactions are downright dangerous when they come from someone with the power he now possesses.”

“No matter who criticizes him, no matter the consequences, he will keep doing it,” he added.