AP headlines Keep this window open (updates every 15 minutes) House sends health care overhaul bill to Obama McCain said Democrats have not heard end of debate Clinton: US wants biting sanctions on Iran NKorea to try American for illegal entry Bush, Clinton to visit rubble-filled Haitian city Sandstorms across China prompt health warnings PepsiCo to cut sodium, sugar, fat in products Envoy says Rio Tinto exec admits to some charges Buzz Aldrin among stars set for `Dancing' debut Woods: 'A little nervous' about return at Masters