Haiti will need U.N. peacekeepers for several years as the impoverished nation struggles to rebuild its ill-equipped police force after the bloody uprising that ousted President Jean-Bertrand Aristide last year, the U.N. peacekeeping chief said Saturday.The U.N. Security Council last week extended a year-old peacekeeping mission’s mandate for another eight months, but the volatile nation will need their presence for longer, said Jean-Marie Guehenno, the U.N. undersecretary-general for peacekeeping operations.Full Story