Insider; Marianne Ayala/Insider
In a quiet harbor in California's Redwood City, 30 miles south of San Francisco, there often sits a gleaming 40-meter yacht flying the flag of the Marshall Islands.
The sleek, silver-and-white vessel sits among a smattering of other high-end cruisers, but this boat is a bit different: Butterfly, as the yacht is known, is owned by the world's...