What we're hearing: "He's [threatened to withdraw] 100 times. It would totally [screw] us as a country", a source who discussed the subject with Trump told the Axios media outlet.
"They have to treat us fairly", Trump said Friday about the WTO.
"While you never know with this president, I consider it unlikely that Trump will try to pull the USA out of the WTO", Alden said.
CNN has reached out to the White House for comment. His top White House trade adviser hedged on the question on Saturday, saying any decision was up to the president, and pushed back at critics of United States trade moves from companies including auto-maker General Motors Co.
Should Trump announce a withdrawal at some point in the future, it would cast doubts over trillions of dollars of global trade.
Russia stuns Spain on penalties to reach World Cup quarterfinals
Spain had 25 shots, nine of which were on frame, but Akinfeev saved them all, only conceded on an unfortunate own goal. They were checking the game footage for holding on Pique and Ramos, but they have decided that it wasn't a penalty.
Trump "has concerns about the WTO", Mnuchin said Friday during an interview on Fox Business. In fact, Trump's own administration estimates that the US has won roughly 86 percent of the cases it's brought before the WTO - a significantly higher success rate than China, which has won just 67 percent of the cases it's brought before the WTO.
The tariffs have also led to retaliation by United States allies, including Canada and the European Union.
Treasury Secretary Steven Mnuchin immediately denied the report. "He thinks there's aspects of it that aren't fair".
The president is considering the imposition of tariffs on auto imports, a move that would be sure to draw new litigation in the WTO.
In the latest escalation, Canada on Friday said it would levy duties on C$16.6 billion (US$12.6 billion) of American goods in response to American tariffs on steel and aluminium imports.