Jerome Powell: “The United States' Federal budget is on an unsustainable path, which means that the debt is growing faster than the…”

Without the ability to pay interest on reserves, the Fed would lose control over rates

We may approach that point in coming months

The public would lose faith that the central bank will make decisions based only on what’s best for all Americans.

Stopping sooner could have made some difference, but not likely enough to fundamentally alter the trajectory of the economy