In an op-ed piece published in The Washington Post on the eve of the 17th anniversary of the horrific attacks on America on Sept. 11, 2001, MSNBC host Joe Scarborough ripped into the current sitting president of the United States.

“[Donald Trump] has done more damage to the dream of America than any foreign adversary every could,” said Scarborough in his piece.

In the Monday article, Scarborough opined on the challenge and near-impossibility of fully appreciating the impact of profound, world-changing, culture-transforming historical events as they are occurring.

He included the Kennedy assassination, Martin Luther King Jr.’s murder, Watergate, and 9/11 — among other events.

Scarborough believes that 17 years hence, our political leaders have still not learned the lessons they should have learned from that tragic day America was attacked on her own soil.

At the heart of his controversial essay is the TV host’s contention that policy failures beginning with George W. Bush’s decision to invade Iraq ultimately culminated in an America that no longer dominates the world stage economically nor militarily.

“The gravest threat Trump poses to our national security is the damage done daily to America’s image,” Scarborough also said in his piece.

He quoted Roger Cohen’s contention that America is an “idea,” and that it would be “gutted” if stripped of freedom, human rights, democracy, and the rule of law.

“Even Democratic foreign-policy experts would quietly complain that their president’s strategic retreat from the world would come at great cost,” said Scarborough.

“Any discussion of policy failures since 2001 must begin with George W. Bush’s decision to invade Iraq even though no evidence linked Saddam Hussein’s regime to the Sept. 11, 2001, attacks,” said Scarborough. “Even a majority of Senate Democrats voted for a resolution supporting the Iraq invasion, and more than 70 percent of Americans agreed. But we were wrong. That war cost nearly 5,000 American lives, $2 trillion, and inestimable damage to America’s credibility across the globe.”

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“The excesses of Bush’s military adventurism led to his successor, President Barack Obama, placing the United States in a defensive crouch for the better part of eight years. The commander-in-chief defined his foreign policy approach this way: ‘Don’t do stupid [stuff].’ Even Democratic foreign policy experts would quietly complain that their president’s strategic retreat from the world would come at great cost. The ignoring of crossed red lines, the rise of the Islamic State and the deaths of 500,000 Syrians proved Obama’s Democratic critics right.”

But Scarborough reserved his most scathing rebukes for President Donald J. Trump.

He described the president as a “maniacal” man who “savaged America’s vital alliances, provided comfort to hostile foreign powers, attacked our intelligence and military communities, and lent a sympathetic ear to neo-Nazis and white supremacists across the globe.”

Watch the video below: