--US:Winter of 2009-2010 Coud be Worst in 25 Years
--Temps Plunge to Record as Cold Snap Freezes North, East States...
--CHILL MAP...
--Vermont sets 'all-time record for one snowstorm'...
--Iowa temps 'a solid 30 degrees below normal'...
--Power goes out at Reagan National outside DC...
--Peru's mountain people 'face extinction because of cold conditions'...
--Beijing -- coldest in 40 years...
--World copes with Arctic weather...
--Miami shivers from coldest weather in decade