A conservative group suing the Internal Revenue Service on Monday amended its lawsuit over the agency’s processing of its request for tax-exempt status to include the agency’s chief counsel, William Wilkins. Acting on behalf of True the Vote , a Houston-based voter watchdog group, the ActRight Legal Foundation first asked the U.S. District Court for the District of Columbia in late May to grant its request for tax-exempt status and award damages for what it described as unlawful conduct by the IRS. Last week, House Oversight and Government Reform Committee Chairman Darrell Issa (R-Calif.) released a transcript in which an...