For Santorum, new challenges follow his big wins (AP)

Romney's Tuesday losses show conservative doubts (AP)

Log: 8 minutes to dispatch deputies to Powell home (AP)

EU threatens new sanctions on Syria (AP)

Washington state lawmakers pass gay marriage bill (AP)

APNewsBreak: Sources: New military roles for women (AP)

More photos found in Calif. teacher abuse case (AP)

GOP vows to reverse Obama birth control policy (AP)

Study: Tai chi helps ease symptoms of Parkinson's (AP)

Dr. House hangs up his Fox TV stethoscope (AP)