The House has begun voting on President Barack Obama's health care overhaul.   Boehner: Health bill fails the country   US doctor charged in deaths pleads not guilty   Speaker Pelosi says health care bill will make history, lead to progress for Americans.   House Republican leader on health care bill: 'We have failed to listen to America.'   No. 12 seed Green Bay beats Virginia 69-67 in first round of NCAA women's tournament. .   China begins trial of 4 Rio Tinto employees   US doctor charged in deaths pleads not guilty   No. 11 seed San Diego State beats Texas 74-63 in first round of NCAA women's tournament.   Week 2 filled with broken brackets, underdogs   No. 11 seed Arkansas-Little Rock beats Ga. Tech 63-53 in 1st round of NCAA women's tournament.   No. 1 seed Nebraska beats Northern Iowa 83-44 in 1st round of NCAA women's tournament.   Obama, Democrats show command of health care votes   NCAA: Finally, a break from the madness   Ex-New Komeito head Kanzaki to retire from politics+   ADVISORY - Start of KWS news cycle for March 22+   Woods: 'A little nervous' about return at Masters   Tens of thousands rally for immigration reform   Yuan in global FX reserves as soon as 2025: c.banker poll   UN: 3 killed in quake collapse in northern Haiti