And it comes laced with familiar #humanitarian confidence, as #BillGates & his team now believe that their central goals can be achieved in much shorter time. But it is also disconcertingly definitive: The #GatesFoundation will close its doors, permanently, on Dec. 31, 2045, at least several decades before originally intended. In the meantime, it will be spending down its endowment, as well as almost all of Gates’s remaining personal fortune.