Biden's, Trump's national security advisors discuss Israel-Hamas War, hostages
The first meeting between Sullivan and his intended successor, who will inherit a long series of crises around the world.
Illustrative image of White House national security adviser Jake Sullivan and Mike Waltz, who President-elect Trump has appointed as his national security adviser. (photo credit: Canva, DENIS BALIBOUSE/REUTERS, REUTERS/JEENAH MOON, YONATAN SINDEL/FLASH 90)Updated: 
