On Sunday, Navarro, who is Trump'smost hawkish trade adviser, assailed Trudeau for engaging in "bad faith diplomacy" in the wake of the G-7 meeting. You said that that came from Air Force One.
"I used language that was inappropriate", he said, according to Journal reporters.
There have been reports that Mr. Trump was upset because the President felt that after he had generously agreed to give in on a key Canadian sticking point - the USA demand for a sunset clause that would see NAFTA renegotiated after five years - Mr. Trudeau was talking tough.
In a display of calculated aggression, Kudlow thumped the table as he told CNN's State of the Union Trudeau had "stabbed us in the back" and instigated "a betrayal". Appearing on separate news shows, Kudlow accused Trudeau of "betrayal" and Navarro called the news conference a "stunt" and went on to assail the prime minister in unusually harsh terms.
Photos taken just 48 hours apart hint at President Donald Trump's feelings during meetings with global leaders.
There was nothing new in what Trudeau said, having previously stated that Canada was "insulted" Trump said metal tariffs were necessary for national security reasons.
"The important thing for the Americans to understand is that our economies and industries are highly integrated" and that tariffs would be very bad for both sides, said the official, speaking on condition of anonymity.
But the White House adviser did not say what precisely it was that Trudeau said at a press conference following the G-7 summit over the weekend that warranted the White House's aggressive response. He learned. You can't do that. I really did, other than he had a news conference, that he had because he assumed I was in an airplane and I wasn't watching. You know they put out a document, I don't know if you saw it.
"I want to correct a mistake I made last Sunday", he said.
Asked about Mr Trump's remarks in the Canadian parliament on Tuesday, Mr Trudeau said he supports his efforts on North Korea and looks forward to the details of the agreement.