ProPublica is a nonprofit newsroom that investigates abuses of power. The Secret IRS Files is an ongoing reporting project. Sign up to be notified when the next story publishes. Or text “IRS” to 917-746-1447 to get the next story texted to you (standard messaging rates apply). Also: Do you have expertise in tax law, accounting or wealth management? We’d love to hear from you. Billionaire Peter Thiel, a founder of PayPal, has publicly condemned “confiscatory taxes.” He’s been a major funder of on...