Few experiences bring the finest display of management principles as the Tham Luang Cave Rescue, an 18-day saga that played out over recent weeks in a Thai forest reserve. Twelve boys, ages 11-16, and their soccer coach braved hunger, thirst, darkness and despair inside the flooded cave system before they were rescued. The episode holds exemplary lessons of leadership and large-heartedness, according to Wharton management professor Michael Useem and Andrew Eavis , U.K.-based president of the International Union of Speleology, an organization devoted to the study of caves. They discussed the salient takeaways from the rescue mission on the Knowledge at Wharton show on Wharton Business Radio on SiriusXM channel 111 .…