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Airline passengers at Dulles International Airport outside Washington, DC,  in Virginia, arrive to snow showers on the busiest travel day of the year November 26, 2014. Hundreds of flights were cancelled or delayed Wednesday in the US northeast as a winter storm delivered freezing rain and snow ahead of the Thanksgiving holiday, one of the year's biggest travel weekends. A wintry mix was falling in Boston, Philadelphia, New York and Washington, according to the National Weather Service, which forecast "havoc" for travelers along the east coast from the Carolinas up through New England.    AFP Photo/Paul J. Richards        (Photo credit should read PAUL J. RICHARDS/AFP/Getty Images)
Airline passengers at Dulles International Airport outside Washington, DC,  in Virginia, arrive to snow showers on the busiest travel day of the year November 26, 2014. Hundreds of flights were cancelled or delayed Wednesday in the US northeast as a winter storm delivered freezing rain and snow ahead of the Thanksgiving holiday, one of the year's biggest travel weekends. A wintry mix was falling in Boston, Philadelphia, New York and Washington, according to the National Weather Service, which forecast "havoc" for travelers along the east coast from the Carolinas up through New England.    AFP Photo/Paul J. Richards        (Photo credit should read PAUL J. RICHARDS/AFP/Getty Images)

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    Winter storm snarls Thanksgiving travel

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Winter storm snarls Thanksgiving travel

A major winter storm on the rise is impacting millions of travelers on the East coast. CNN's Brian Todd reports.

Winter storm snarls Thanksgiving travel

A major winter storm on the rise is impacting millions of travelers on the East coast. CNN's Brian Todd reports.