Our bureaucratic programs at home are enough to dig us into a deep financial hole (war-mongering wasn't the source of Greece's problems), but with the added trillions wasted on building old weapons to perpetually blow up and rebuild bridges (not to mention the magnitude of the atrocities committed by the US), we are truly buried financially.
He probably doesn't even know about the CIA's less publicized warfare in Central/South America and the financial/other consequences of the drug war on our own citizens and especially on our neighbors.