Story highlights D'Antonio: James Comey's testimony shot down Trump's wild charge about Obama wiretappping him

And yet the president continued today to add to his own troubles, D'Antonio says

Michael D'Antonio is the author of the book "Never Enough: Donald Trump and the Pursuit of Success" (St. Martin's Press). The opinions expressed in this commentary are his.

(CNN) Let's all agree that no other person ever elected President would have hurled a charge that his predecessor wiretapped him. Especially not in a tweet that referred to a former President this way: "This is Nixon/Watergate. Bad (or sick) guy!"

But as his supporters like to say, Donald Trump is no ordinary politician and, thus it was he who debased the presidency with wild accusations that Barack Obama organized a criminal conspiracy to wiretap him.

Inevitably, the most powerful man in the world found himself repudiated by the director of the Federal Bureau of Investigation, who told a committee of Congress and a world watching on TV that his agency had found no evidence to support Trump's charge. And, of course, Trump chose to ignore the obvious lesson in this self-inflicted humiliation and, instead, continued to indulge his inner troll.

Trump's new abuse of the presidency, and the American public, actually began hours before a House committee would question director Comey and other security leaders on the controversy. By 6:35 a.m. Monday, Trump was up and at it on Twitter, spraying distractions in short bursts.

"(Former director of national intelligence) James Clapper and others stated that there is no evidence Potus colluded with Russia. This story is FAKE NEWS and everyone knows it!"

Read More