Gray Brechin has a great piece in Consortiumnews.com.  It starts like this:

"Who owns America’s post offices and their continent-spanning gallery of public art? The “as is” sale of the Bronx’s decaying central post office — and of so many other post offices recently sold or for sale — begs the question of Americans for whom those buildings were intended and for which they paid.

"The once-noble lobby of the Bronx post office has filled with the cheesy clutter that choked New York City’s original Penn Station before wrecking balls leveled that elegant Victorian-era structure in the 1960s. At the Bronx post office, garish signs and obstructive furniture mute the dialogue between marble-framed murals by artists Ben Shahn and his wife Bernarda Bryson, while neglect and a botched restoration renders some of their images virtually illegible."  Read more.