WASHINGTON (Reuters) - U.S. President Barack Obama renewed his administration's offer of dialogue and diplomacy with Tehran on Saturday, a year after his offer of a new beginning with Iran failed to achieve concrete results. Obama, who addressed Iranians in a new videotaped appeal to mark the observance of Nowruz -- an ancient festival celebrating the arrival of spring -- has ...

US President Barack Obama girded for a crucial weekend vote on his sweeping health care overhaul plan, with Democrats poised to make history after a century of struggling for reform. Obama will step up his vote-whipping operation on Capitol Hill Saturday, meeting Democrats in the House of Representatives, a day before a scheduled vote on the most far-reaching social program ...

It was a bold response to skyrocketing health insurance premiums. President Barack Obama would give federal authorities the power to block unreasonable rate hikes. Yet when Democrats unveiled the final, incarnation of their health care bill this week, the proposal was nowhere to be found. Ditto with several Republican ideas that Obama had said he wanted to include after a ...