In Disney’s Fantasia, the third segment—called The Sorcerer’s Apprentice—is based on the poem by Johann Wolfgang von Goethe. It features the charming but somewhat lazy Mickey, who is tired of his chores. To get some help, he borrows Sorcerer Yen Sid’s hat, and uses it to magically animate a broom with what today we might…

Legend has it that in 1752, Benjamin Franklin flew a kite in a thunderstorm, with a house key dangling from the string, to attract lightning and store it in a Leyden jar. Similarly, academics, policymakers, lawyers, and parties have for years sought to capture the answers to transcendent questions about investment arbitration. Which variants justifiably…