We’ve missed these installments – Bill Whittle’s “other” gig making video blogs – of the Firewall series under Truth Revolt’s YouTube banner, but now they’re back.

And this one is powerful. It talks about America’s failed cities, and how utterly failed they are, and what they all have in common. Can you name what that is?

If you can’t, just leave it to Whittle. He gets around to that point directly.