Brian Galle (Georgetown; Google Scholar), David Gamage (Indiana-Maurer; Google Scholar) & Darien Shanske (UC-Davis; Google Scholar), Solving the Valuation Challenge: The ULTRA Method for Taxing Extreme Wealth, 72 Duke L.J. 1257 (2023) (reviewed by Young Ran (Christine) Kim (Cardozo; Google Scholar) here): Recent reporting based on leaked tax returns of…