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Fortune
Fortune
Joshua Hong

‘Only idiot startup founders stay in Cali’: Mark Cuban rips Ro Khanna on billionaire tax—reveals a rift between Democrats and their wealthy supporters

U.S. businessman Mark Cuban (Credit: Photo by Kent NISHIMURA / AFP via Getty Images)

Billionaire entrepreneur Mark Cuban didn’t hold back in a public squabble with Rep. Ro Khanna about the proposed wealth taxes in California—cracking open a feud between one of the wealthiest Democratic Party supporters and the left wing of the party. The two sparred over a proposed wealth tax that would ask the state’s richest residents to hand over billions of dollars to fund health care and other public programs.

Cuban, long a self-identified “libertarian at heart,” has been more closely affiliated with Democrats in recent years, as a high-profile surrogate for Kamala Harris in the 2024 presidential race and endorsing Hillary Clinton in 2016. However, the born-and-raised Pittsburgh native turned adoptive Texan has always remained staunch on his stance on wealth taxes: against.

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