AVOIDING FROSTBITE This post is a cautionary addition to my December 18 blog Winter Hiking Fun. I grew up in Denver Colorado where, in the winter, the temperature often goes below zero F.  Between the ages of 12-16, I had a morning paper route delivering the Rocky Mountain News.  I got up at 5am each morning and fetched that day’s newspapers bundled and left even earlier on my front porch.  Then I folded and rubber- banded them on my kitchen table, and stuffed them in my bicycle’s cloth paper bags. Finally, I took off  to deliver 100 + newspapers to...