YUKOS Denies Plans to Sell Refinery  MOSCOW (Reuters) - Russian oil major YUKOS denied on  Wednesday reports it planned to sell its Lithuanian refinery  Mazeikiu Nafta to help cover its huge back tax bill.
Various Factors Blamed for Childhood Obesity By RANDOLPH E. SCHMID    WASHINGTON (AP) -- A wide-ranging effort involving parents, schools, communities and government is needed to turn the tide of childhood obesity, the Institute of Medicine said Thursday...