On the honorable island nation of North Dumpling, Ben Cohen and Jerry Greenfield of Ben & Jerry’s preside as Ministers of Ice Cream, while other notables hold such titles as Minister of Brunch and Minister of Nepotism. North Dumpling has its own constitution, issues its own visas, and prints its own currency, which bears the likeness of its most famous (OK, only) resident. But while his very private island off the coast of Connecticut may have its whimsies, renowned inventor Dean Kamen wants to show the world the fun in functionality. He’s created the most carbon-neutral kingdom on the planet...