While researching my recent article "The Assault on Wealth," I found something interesting from University of California, Berkeley economics professor Gabriel Zucman that I didn't have room for in my 2,000 word article. Zucman had tweeted that the 20 richest individuals in America donated 0.8 percent of their wealth in 2018. That compares to 0.33 percent of wealth for Americans who itemized. So kind of impressive on the part of the wealthy, right? Wrong, says Zucman, because if you...