“In light of the emerging power struggle that will determine how much of the grand designs for ground zero get built, any effort to assess the finalists may come off like an exercise in aesthetic hairsplitting. But as the redevelopment officials who sponsored the competition vie with real estate developers and others who remain intent on overstuffing the 16-acre site with commercial space, such an analysis becomes essential, if only because it reminds us what this exercise is all about.”