The president was forced to U-turn over his plan to host the G7 Summit at one of his own properties.
"I've never seen it before," the former GOP congressman said, pointing out that the attack came "in defense of an autocrat."
"The US has spent over $100 million on Trump's golf trips," journalist Jordan Uhl tweeted.
"They're in their own separate reality," Tammy Bruce alleged.
"The last three days have been an unmitigated disaster for the president," Scaramucci said in an interview about Trump at the G-7 Summit.
"Larry, those words came out of Boris Johnson's mouth," CNN anchor Brianna Kielar pushed back. "How do you argue with that?"
"Under no condition can we agree with this logic," European Council President Donald Tusk said.
Kirstjen Nielsen, who recently resigned as homeland security secretary, was on a trip to meet European allies as President Donald Trump threatened to shut down the U.S.-Mexico border.
"Big tough guy once he's back on his airplane. Can't do it in person, and knows it, which makes him feel [weak]," Roland Paris said.
President Donald Trump's top economic adviser launched a unusually critical campaign against Canadian Prime Minister Justin Trudeau Sunday morning, and placed the blame on Canada for Trump's refusal to sign the G-7 joint agreement.