Fall is in the air in Jackson Hole. Even before the final few sales of the month are tallied, real estate sales volume in Jackson Hole during August has exceeded $75 million*, the highest monthly total thus far in 2013. Unit sales also are up sharply with a 67 percent rise year over year to 57 units sold. Boosting sales volume significantly was the sale of a 23,000-square-foot, 7-bed home on 10 acres...