I hesitate to use the word new as this is how fiscal policy has worked, pretty much since we were taken off the gold standard by Nixon. How do you think all those unauthorized wars in the middle east are paid for?
MMT basic foundational tennant: Do not conflate the Federal budget with that of a household.
And what flows from that statement is: Federal taxes DO NOT fund Federal spending. So much good that can be done. Gives tremendous amount of hope.