Tennessee lawmakers pass bill to involuntarily commit some defendants judged incompetent for trialAbu Ghraib detainee shares emotional testimony during trial against Virginia military contractorNASA seeks faster, cheaper way to bring Mars samples to EarthChinese authorities arrest 4 Tibetans for protest over land grab — Radio Free AsiaPadres sign veteran infielder Donovan Solano to minor league dealMariners call up 21Married teacher caught naked in car with male student, 17, is the wife of HarvardJudge awards $23.5 million to undercover St. Louis officer beaten by colleagues during protestNiko Medved signs longLas Vegas lawyer and wife killed amid custody fight for children from prior marriage, family says