The Treasury Department has spent most of the first $350 billion allocated by the Emergency Economic Stabilization Act, passed just over one month ago: Most of the spending — $250 billion — is going directly to banks. The banks get immediate cash; Treasury gets an ownership share of the bank. AIG got another $40 billion loan yesterday, on top of the $100 billion it’s already received. That’s $290 billion in spending since Oct. 3, an impressive $86,064 per second. And it leaves just $60 billion; most experts I’ve talked with say that money will be gone soon. What does that…