WASHINGTON -- Anxious to chart a centrist course with Democrats' new majority in Congress, incoming House Speaker Nancy Pelosi and her top deputies are busily working in private and public to rein in the liberal ambitions of some senior party heavyweights --including proposals to reinstate the military draft and end the Pentagon's ban on gays in uniform. Pelosi has urged House Democrats, including incoming committee chairmen, to use the first weeks of next year's congressional term to focus exclusively on proposals on which the party is unified and legislative goals that are within reach, according to Pelosi allies and aides....