Rep. Darrell Issa, Chair of the House Oversight Committee, recently informed the IRS that the committee's investigation has revealed that senior IRS officials were using their private emails to transmit confidential tax information. The investigation was sparked by the agency's alleged targeting of conservative organizations seeking tax-exempt status. "[W]e have uncovered a troubling pattern of IRS officials sending official documents to non-official email accounts as well as the use of non-official email accounts to conduct official business," the September 30th letter to acting IRS Commissioner Dan Werfil reads. "In some instances, IRS officials have sent taxpayer protected information to non-official...