We don't pay for the government goods we buy

When the Textbook Is Right: Implications of the Trump Fiscal/Trade Regime

It is in my textbook too Menzie.  

Just that one fact and a little high school math, no need for an economics accounting identity.  And, Menzie, it is in the charts, we periodically refuse to pay for the crap. And we cannot afford the interest charges on all that crap.