Deadly winter storms pummeling or threatening much of U.S.

(CBS/AP) -- States from California to the Carolinas are bracing for massive winter storms this weekend.More than 40 states are under winter- related advisories or warnings.States of emergency are in effect in Alabama and Georgia, where several inches of snow are expected.New York’s snowbelt off Lake Ontario saw whiteout conditions Thursday.More than two feet of snow fell at a rate of three inches an hour in some places.Weather Resources: Latest Forecast | Interactive Radar | Weather Warnin