The evolving by the hour IRS scandal, in which the tax agency targeted conservative groups for examination and harassment, as detailed by the Washington Post, cries out for not only an investigation, but legislation. To be sure an investigation and the punishment of those responsible for politically motivated examinations and audits must happen. But the fact that the IRS did these things at all stems from the fact that someone wanted to target conservative organizations and perhaps people and, thanks to the existence of the IRS, they could. This therefore argues for an overhaul of the tax code that would...