Among the businesses challenging the tariffs is Learning Resources, a Chicago-area educational toy company. The company's CEO, Rick Woldenberg, filed a lawsuit against the president 20 days after the tariffs were announced.

"I'm on a mission. We're on a mission to win," Woldenberg said.

The challenge began on April 2 when President Trump imposed sweeping tariffs on much of the world, calling it "Liberation Day."

"Chronic trade deficits are no longer merely an economic problem, they're a national emergency," Trump said.

For Woldenberg, the announcement was jarring and required immediate action.

"It was a screeching bugs bunny, like stop," Woldenberg said. "We had to pivot that day. This is like pandemic 2.0."

Woldenberg's lawsuit alleges Trump's tariffs were an illegal "executive bran

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