Opinion: Building a huge park is anything but easy

Retired businessman Marc Katz bought a chunk of beat-up land on a mesa near the town of Durango, Colorado with the dream of building a bicycle park that might someday host an Olympic training ground. Nine years in the planning hasn't been easy, but what's now taking shape is a huge park that's building in room for many outdoor sports as well as mountain biking. Best of all, there's going to be space left for future, unknown needs.