Two centuries ago, King Kaumuali‘i was faced with an impossible decision: relinquish his island kingdom or doom his people to slaughter. With savvy diplomacy and a lot of careful maneuvering, Kaumuali‘i was able to avoid either fate. Adored by his people and respected by foreigners, Kaumuali‘i was, by all accounts, a king to rival all kings. But history has largely forgotten the man who would become the last ruler of Kaua‘i. Many children on Kaua‘i today only recognize his name because the island’s Highway 50 is named for him. But…