It is with a saddened heart that I write my last epistle of my magical adventure through South America. Tomorrow, I fly home to the United States, changed by my experiences here. This journey has surpassed all of my expectations, and all I can wish is that I had had the foresight to travel for at least another month! I last left the story in Puerto Natales , the day before the start of my 4 night-5day backpacking adventure along the famous and fondly known "W" (named for th