Today a D.C. federal appeals court temporarily reinstated a Federal Election Commission rule concerning when advocacy groups and others must disclose their donors, but has directed the FEC to clarify the rule or return to the courts for more litigation. The effect of the ruling is to put in limbo a key disclosure rule less

With elections quickly approaching, last week the FEC finally issued a statement of how it will implement a federal court ruling striking down the Commission’s current regulation of electioneering communications. In late April, the D.C. District Court decided Van Hollen v. FEC, in which it vacated the FEC’s regulation requiring disclosure of donors to