LEAD: Fire at Tokyo restaurant kills 4+   Polls open in Romanian presidential election   Separated twins beat the odds   Teenage girl dies after new-flu infection+   Hugo Chavez invites Fidel Castro to Venezuela   3-alarm Atlantic City boardwalk fire under control   Kan against cutting FY 2010 budgets for children, supercomputer+   Figure skating: Takahashi, Suzuki make Grand Prix Final+   UC Santa Cruz protesters still occupy building   Motown caps 50th anniversary with hometown gala   Police: Man fatally stabbed over NYC subway seat   Congressman Fattah: Thanks to Specter, Casey for a Major Step Along History's Path   US helps build anti-Taliban Afghan militias: report   Patient Files Suit Against St. Vincent's Hospital in New York City as a Result of the Alleged Use by the Hospital of an HIV Infected Device During a Routine Procedure   Cal beats No. 14 Stanford 34-28 in Big Game   International Emmys to honor David Frost   China coal mine blast death toll jumps to 87   Fire at Tokyo restaurant kills 4+   Kyodo news summary+   Death toll in China mine disaster rises to 87: media