Cheery-voiced GPS units lead drivers into danger

Last weekend began like a modern Christmas fairy tale for Starry Bush-Rhoads and John Rhoads and Jeramie Griffin and Megan Garrison: Two traveling couples using GPS navigation units took two SUVs on two shortcuts up two snowy backcountry Oregon roads.Then the couples got stuck and wound up cold and hungry — staying that way until searchers, also using navigation units, tracked them down, finding