I'm not sure if you even saw this from a couple of years ago, but if you didn't here it is again. Type the web address into your browser to see the article. A high-tech scavenger hunt in Yosemite I am a human cruise missile, zigging and zagging through the forest with the same technology that guides our military's smart bombs to their bridges and bunkers. http://www.msnbc.msn.com/id/12689690/from/ET/ Bob BBD1