Architecture is not a profession for the faint-hearted, the weak-willed, or the short-lived.

What a museum chooses to exhibit is sometimes less important than how such decisions are made and what values inform them. To have the crucial role of museum professionals usurped by self-serving tycoons in the name of economic imperative threatens not only the integrity of individual institutions but the very principle of art held in public trust.

During the nineteenth century, the rapid emergence and proliferation of new manufacturing methods and building technologies led to the establishment of polytechnic schools that concentrated on the practicalities of engineering and construction rather than the niceties of stylistic correctness or adherence to established precedent.

The truth be told, the World Trade Center was neither a very good work of architecture nor a very successful piece of urbanism. Its shortcomings were somewhat mitigated by the westward and southward expansion of the World Financial Center and Battery Park City during the 1980s.

Architectural kitsch is most common in the commercial pop vernacular - typified by the Big Duck of 1931 in Flanders, New York, a Long Island roadside poultry stand resembling a duck, which Venturi and Scott Brown made a cult object through their writings.

The financial benefits of prefabrication have never been as large as its advocates predicted, for although some labor costs can be reduced by machine manufacturing, on-site assembly of any building still depends to some extent on the handwork of skilled craftsmen.

The danger for any artist whose work is both recognizable and critically acclaimed is complacent repetition - the temptation to churn out easily identifiable, eagerly welcomed, and readily salable designs.