World News Politics & Government National At UN, world leaders talk Russia's war against Ukraine, coups and climate change 4:12pm September 19, 2023 by Michele Kelemen Share URL copied to clipboard! Copyright 2023 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered Delta is still cancelling hundreds of flights daily by Joel Rose Science Dark energy — which causes the expansion of the universe — may be changing by Regina Barber 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate