Princeton, Harvard, Yale–they would all be ok, but first, the right prep school; and first of all, the right pre-school.  On NYNY’s Upper West Side, the competition for the right pre-school was fierce, but Hector’s parents were prepared for any fight, would pay any price–they’d do what it took so that their son had the right stuff when he applied for University.. . . . .  David, Sf.G.