Patrick Allen's job is to help big companies find qualified leaders; he's an executive search consultant. He's also a retired Army Reserve colonel. Those are stressful jobs. To relieve that stress, Allen turns to the Japanese art of bonsai: growing and tenderly caring for miniature trees. Allen says it “keeps him in the moment.” He lives in Denver and is the president of the Rocky Mountain Bonsai Society. Some of the group's roughly 100 members are showing off their work this week at the Denver Botanic Gardens. It's an unconventional way to see fall foliage, since some of the trees are turning color. Allen speaks with host Ryan Warner.