The most dangerous of weapons is the one you don't know is loaded. Illustrated by Schoenherr he wind howled out of the northwest, blind with snow and barbed with ice crystals. All the way up the half-mile precipice it fingered and wrenched away at groaning ice-slabs. It screamed over the top, whirled snow in a dervish dance around the hollow there, piled snow into the long furrow plowed ruler-straight through streamlined hummocks of snow. The sun glinted on black rock glazed by ice, chasms and r