"The most dramatic things that could happen is the rest of the world agrees that on a particular date, ICANN will no longer be the domain name authority for the entire world," says Tim Wu, a Columbia University law professor who specializes in international law. . NEW YORK -- Since the third game of the regular season, when Mariano Rivera blew a save against the Boston Red Sox, the New York Yankees have been walking across a figurative tightrope — on their hands.