Republicans on Tuesday charged that the IRS has lost emails of a half dozen of its employees involved in the tea party targeting controversy, including a top aide to the now-fired acting IRS commissioner. In addition to losing two years’ worth of emails sent and received by Lois Lerner, the central figure in the scandal, the IRS “cannot produce records from six other IRS employees involved in the targeting of conservative groups,” Ways and Means Republicans said in a release. That includes Nikole Flax, who was the chief of staff for Steven Miller, the acting IRS commissioner who was fired...