A city's electorate rarely thinks of its mayor as a grand patron of architecture. But by the massive weight of budget appropriations for new construction, he is. And never is the mayor's lot more difficult, and challenging, than when he has to add to, and alter, one of the city's prized possessions. Last week two mayors faced such a task. Each took a different route to a solution, and both felt that they had not only preserved but even added to the city's heritage.
Bastion for Books. In Boston, the problem was the city's 72-year-old Public Library, a stately Italian Renaissance-style...