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.   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   Abortion compromise doesn't satisfy critics   NCAA: Purdue beats Texas A&M 63-61 in OT   No. 4 seed Purdue beats fifth-seeded Texas A&M 63-61 in OT in 2nd round of NCAA tournament.   Woods: 'A little nervous' about return at Masters   NCAA: Texas A&M-Purdue in overtime   Obama order on abortion locks in health care votes   NCAA: Texas A&M-Purdue in overtime   Tenor Villazon set for Vienna comeback