BOSTON (AP) — The third powerful nor'easter in two weeks slammed the Northeast on Tuesday, bringing blizzard conditions and 2 feet of snow to some communities and knocking out power to tens of thousands of homes and businesses.High winds and blowing snow led meteorologists to categorize the storm as a blizzard in parts of New England, including Boston. By afternoon, power outages climbed to more than 250,000 just in Massachusetts, Rhode Island and Connecticut."We're not out of winter yet, that's for sure," Paul Knight, of Portland, said as snow accumulated on his eyebrows during a stroll. "The groundhog was right.