By Rob Lenihan The blizzard will make ‘travel nearly impossible,’ the National Weather Service says. The nor’easter expected to barrel up the East Coast is sparking a series of flight delays and cancellations as a large section of the country braces for heavy snowfall and hurricane force winds. “Blizzard conditions are forecast from eastern Long Island through much of coastal New England, particularly from southeast Maine to Cape Cod,” the National Weather Service said. “This will make travel nearly impossible.” Airlines canceled over 1,200 more flights within, into, or out of the United State…