Why lower the G‑SIB surcharge?

Federal regulators released their third effort at implementing Basel III in three years, with this one taking a radically different approach to the previous two under the last administration. What does this version do and will it stick? John Heltman, Washington Bureau Chief of American Banker, breaks down what has changed, the reaction by banks, and whether we've reached the beginning of the end for Basel III Endgame.