At the end of 2009, the yearly real estate sales chart for Jackson Hole properties looked like a ski run on a hanging snowfield. Beginning with the peak in 2005 of more than $700 million in sales, the numbers steadily deteriorated to approximately $225 million in sales in 2009. But what lay below? A cliff, level ground or a return to the “heights” of relatively mediocre sales years like 2003? With...