LEAD: Japan's 2009 core machinery orders drop sharpest ever 26.9%+   DPJ lawmaker Edano tapped as administrative reform minister+   Target pulls Valentine's toys over lead concerns   Second big snowstorm hits East Coast   Toyota recalls new Prius in latest safety fix   Doctors treat mystery patient in Haiti   Snow shuts down federal government, life goes on   Lil Wayne NY sentencing put off for dental surgery   Tokyo stocks open higher on Greece rescue hopes, weaker yen+   NY governor says he'll step aside only 'in a box'   Dollar trades at upper 89 yen in early Tokyo trading+   Nev. Medicaid cuts could lead to diaper rationing   Japan's core machinery orders up 20.1% in December+   New drugs blow to Haiti aid effort   Former Va. governor urges DNC chairman's firing   Target stops sales of bear toys over lead concerns   Honda to recall 378,758 cars in U.S. over airbag inflators+   Target pulls Valentine's toys over lead concerns   Haiti parents testify they gave kids to Americans   Parade for Saints gives New Orleans more euphoria