dual citizenship• Costas has dual citizenship in the U.S. and the Philippines.• Why, Fox is so diverse that he even has dual citizenship -- neither of them in the United States.• Some of the athletes in this internationalpotpourri, like Kaila, McGuirk and Thomson, hold dual citizenship.• However, dual citizenship would not be allowed.• Mr Kohl himself has floated the idea of offering dual citizenship on a trialbasis.