News Sports Counties Business Music USA TODAY Obituaries E-Edition Legals Subscribe OPINIONI finished the Barkley Marathons, but access to that land is no longer assured | OpinionThe Barkley ultramarathon was tough, but having Congress renew the Land and Water Conservation Fund is proving tougher.John KellyGuest ColumnistView CommentsView CommentsJohn Kelly is a native Tennessean. He finished the Barkley Marathons in Morgan County.One of the great faults of humankind is that we often do not fully appreciate something until it is gone.