The impending expiration of large portions of the 2017 Tax Cuts and Jobs Act at the end of 2025 presents federal policymakers with a significant opportunity to reform the federal tax code in the United States. Too often, political openings for pro-growth tax reform have instead been transformed into opportunities to introduce new tax cuts for those at the top of the income and wealth distribution. Proponents of these tax cuts usually defend their actions by invoking a now-widely discredited “trickle-down” theory of economic growth.