First-term Rep. Eric Massa announced Wednesday that he will not seek reelection, saying his doctors have told him that he can’t continue to “run at 100 miles an hour.” But several House aides told POLITICO that the House ethics committee has been informed of allegations that the New York Democrat, who is married with two children, made unwanted advances toward a junior male staffer. A more senior staffer — Ronald Hikel, Massa’s former deputy chief of staff and legislative director — took the complaints to the ethics committee and was interviewed about them twice. Hikel declined to comment about the...