Have you noticed that the two most successful teams in New York City both engender passionately mixed emotions of admiration and contempt? One team is the New York Yankees, the storied baseball franchise that just won its 27th World Series title — when no other team has won more than 10 times. The Yankees have the largest revenue stream thanks to their own cable television network, a new billion-dollar ballpark, and owners who can afford the highest-paid players in baseball. (These players, in turn, generate yet more revenue.) The other team is Goldman Sachs, the legendary investment…

