One of the groups that sued the Internal Revenue Service over its targeting of conservative and Tea Party groups believes there has been a breakthrough that will help them draw a more complete picture of what went on behind the scenes at the agency, four years after it took its case to court. In a lawsuit involving True the Vote, Judge Reggie B. Walton of the U.S. District Court for the District of Columbia ordered the IRS last week to release the names of employees involved in targeting conservative and Tea Party groups. Walton also told the IRS to explain...