We worry about growing inequality and the dwindling middle class, and advocate various policies to reverse these trends. And yet at the same time, we talk about reducing or eliminating the tax deduction that does the most to promote a more equal distribution of economic well-being.

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President Donald Trump shakes hands with President of the European Commission Ursula von der Leyen as he announces a trade deal with the EU at Trump Turnberry golf club on July 27, 2025, in Turnberry, Scotland. (Andrew Harnik via Getty Images)