The House Ethics Committee said Monday it is reviewing charges lodged against two high-profile Democratic lawmakers and a senior Democratic aide. The lawmakers facing an ethics review are Rep. John Conyers Jr. (Mich), the ranking Democrat on the Judiciary Committee and the longest-serving sitting House member, and Rep. Ben Ray Luján (N.M.), chairman of the Democratic Congressional Campaign Committee. The staffer is Michael E. Collins, chief of staff to Rep. John Lewis (D-Ga.).Statements released Monday by the Ethics Committee did not detail the allegations against the three men, which were forwarded to the committee by the independent Office of Congressional...