“Aprill On LIBERAL SUPPRESSION: Viewing Section 501(C)(3)’S Speech Restrictions In Their Tax Context” February 13, 2019, 10:09 amtax law and election lawRick Hasen Histphil: Editors’ Note: Ellen P. Aprill reviews Philip Hamburger’s Liberal Suppression: Section 501(c)(3) and the Taxation of Speech. Hamburger introduced his book’s central arguments in a previous HistPhil post. Share this: