Rigel shares rise on RBC analyst upgrade   LEAD: Japanese engineer abducted in Yemen freed: Japan embassay+   Dominion donates $1M to heating assistance program   UConn still No. 1 in AP women's basketball poll   North Dakota's land department director departing   Japanese engineer abducted in Yemen freed+   NJTC Celebrates the 'Power of Technology' in NJ   UN says greenhouse gases reach record high in 2008   W.Va. Courtesy Patrol chief urges 24/7 service   4 UK lawmakers could face charges over expenses   Magpie Brings to Life Rich Product Presentations for Extreme Networks   Obama to honor young inventors at science fair   Sri Lanka president calls for snap election+   Mobile Phax Brings Clear, Quick Document Capture and Sharing to BlackBerry Smartphones   Campus Management Expands the CampusVue Software Product Line   Prosecutors blame Petters for $3.5B fraud   Video Game Competitions to Expand Stem Learning in the United States   Winfrey to interview widow of Ted Kennedy   NY's top court rejects prison phone rate refunds   Clinton says Iraqi election might be delayed