Sen. Tim Kaine, D-Va., slammed President Donald Trump's reportedly contentious phone calls with U.S. allies Australia and Mexico as "foolish."
His comments came during an interview on CNN's "New Day." Kaine was critical of Trump after reports of heated exchanges with Australian Prime Minister Malcolm Turnbull and Mexican President Enrique Peña Nieto, according to CNN.
"To have a contentious conversation and name-call a country or the Prime minister of a country that's one of our greatest allies in Asia is foolish," he said.
"To suggest to the President of Mexico we may have to send US troops into Mexico is foolish. Some of the statements that the president is making about Iraq and Iran are foolish.
"He's doing kind of amateur-hour stuff on matters of significant national importance."
Kaine, who was Hillary Clinton's running mate in 2016, dismissed suggestions that Trump was simply talking tough.
"He's complaining that Iran is gaining too much influence in Iraq and wants to be tough about it. But what is he doing? He said we should go in and take Iraq's oil, and he's banned Iraqi citizens, even those who have worked with our American military, from coming into the United States," he said.
For his part, Trump has tried step back from the uproar over his calls to the foreign leaders.
"When you hear about the tough phone calls I'm having, don't worry about it," Trump said. "Just don't worry about it."
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