'Funny boy': Mark Cuban goes to war with Trump adviser Stephen Miller over economic policy

Business giant Mark Cuban is taking on senior Donald Trump advisor Stephen Miller on the issue of tariffs.

Cuban, a billionaire known for his business acumen, has vocally opposed some of Trump's economic policies. Recently, this led to firebrand conservative Tomi Lahren questioning Cuban's knowledge of international trade and taxes, which in turn caused people to ridicule her.

Miller, who in May suggested that he had some evidence that Special Counsel Jack Smith, and not the ex-president, "is the one subverting the law," decided to start his own fight with Cuban earlier this week.

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It began when Cuban flagged a report about Fox News political consultant Jessica Tarlov saying that Goldman Sachs "came out today and said that the GDP will significantly decrease under Donald Trump and it will continue to increase under Kamala Harris." Cuban included a money emoji.

This caused a social media user to ask Cuban, "How would you protect American industry w/o very punitive tariffs?" that Trump proposes.

Cuban replied, saying that there "is a huge difference between targeted tariffs and across-the-board tariffs."

"There are targeted tariffs in place. And you and [Elon Musk] can lobby for those that impact your business," Cuban said, adding that Vice President Kamala Harris "listens to business and wants to help our industries succeed."

"Have you had anyone reach out to her campaign? And to be clear. Across-the-board tariffs are a tax on everyone. They make no sense at all," Cuban said on Wednesday.

Miller then jumped into the conversation, saying that "Cuban epitomizes billionaire elites whose bottom line depends on offshoring, hence his support for the pro-offshoring candidate, Kamala Harris."

"Trump’s entire plan is devoted to building vast manufacturing wealth for American labor, Kamala’s entire plan is devoted to enriching foreign workers, foreign nations and her donors who invest in foreign factories," Miller claimed in response. "Trump is for Pittsburg, Milwaukee, Detroit and Raleigh. Kamala is for Beijing, Bangkok, Ho Chi Minh and every other far-off place but America."

Cuban then hit back on Friday, asking, "You are a funny boy, aren’t you Stephen?"

"First. Pittsburgh has an h at the end," Cuban said, correcting Miller. "More importantly, I have worked to help a portfolio company, [Guardian Bikes] move their production from offshore to Indiana."

"And we built [Cost Plus Drugs] robotics based factory in Dallas. We make things like pediatric cancer drugs that are in short supply," Cuban added. "Your turn..."

On Saturday, Miller replied again, flagging a Cuban social media post from 2019 and saying, "Oh no, Mark, look what I found. Here’s your post vehemently opposing Trump’s tariffs on China. You’re just another China-first America-last globalist sellout—which is why you’re all-in for Kamala."