Single-use zoning and planning for different functions was thought to be efficient, but we now know that most office buildings are grossly underoccupied, with only 30% to 40% of their workspace used in a typical work day, never mind the gross inefficiencies of time and energy spent on large scale mass commuting.

FORBES: Move up http://i.forbesimg.com t Move down

Luigi Zingales said either the banks were worse off than we thought or, and I know this sounds silly, the banks are scared.

NPR: Why Haven't Credit Problems Been Resolved?

At first, we sorta thought those air raid sirens (you know, the ones that are freakin' loud enough to wake the dead) were enough of an "emergency alert" as it was, but consider this: they usually don't tell you the nature of the emergency or give you instructions on exactly how you're supposed to proceed.

ENGADGET: Sprint Nextel first national to test emergency alerts

And when the commissioner was questioned about whether he thought that was, you know, fair or valid, he said: How else are we going to get guns off the street?

NPR: The Difficulties Of Proving Racial Profiling

So, while we are NOT suggesting that any of this bad stuff will occur, we thought you might want to know what to watch out for.

FORBES: As the S&P Slices Through 1300, Traders Wonder if the Sky Really is Falling