Former Maryland Gov. Martin O'Malley has hired a Democratic staffer in Iowa, as he considers a potential 2016 presidential bid. O'Malley's political action committee hired Jake Oeth as a consultant, beginning in mid-December, the PAC confirmed Tuesday. Oeth was the political director for Bruce Braley's Senate campaign last year. Politico first reported his hiring. O'Malley's PAC also said it has brought on Brad Elkins, who will be based in Washington, D.C. Both have Iowa experience. Elkins was sent by the O'Malley camp to Iowa last year to work for Jack Hatch's unsuccessful gubernatorial campaign. O'Malley, who left office after last...