Court takes on federal anti-fraud law   Obama envoy seeks NKorea's return to nuke talks   Secret pact on nuclear arms no longer in effect+   U.S. jobs bill could cost $75 billion to $150 billion: Hoyer   LEAD: 2 MSDF officers missing after helicopter crash landing+   New Obama plans: 'spend our way out' of downturn   Afghan leader: Help needed to pay for larger army   Ohio executes inmate with 1-drug lethal injection   McChrystal: 'No silver bullets' for Afghan victory   Mass. voters taking 1st step to fill Kennedy seat   China school stampede kills 8 in crowded stairway   Bryant Gumbel says he has lung cancer   Mass. voters taking 1st step to fill Kennedy seat   US settles royalty dispute with Indian tribes   Big storm targets Midwest with snow, wind   Ohio inmate becomes 1st to die under 1-drug method   Coordinated blasts hit Baghdad; kill at least 121   Despite debt, it's show business as usual at Dubai film gala   Woods' mother-in-law in hospital with stomach pain   Fierce snowstorm knocks out power in West