Bring on the Bing, as in Crosby, and let’s dig in to where his snowy White Christmas dreams might come true. The National Oceanic and Atmospheric Administration has released itsanalysis of historic snowfall across the U.S. and, here’s a shocker, it’s more likely in Pennsylvania’s Allegheny Mountains than in Florida. The odds are best for at least one inch of snow to fall in areas along the Canadian border, such as Minnesota, Maine and Upstate New York, according to the data-crunchers. The West Coast, the Gulf Coast and the Deep South have a one-in-ten chance of yuletide frosting. Of course, th…