Professor Jeffery Sachs giving a 15 minute historical summary leading up to the current phase of the ongoing Ukraine conflict, the China boogeyman, and the absolute reckless destruction and imperial sociopathy of the western powers led by the US empire:
https://video.nostr.build/bff0f65240e254885256dd10db12d5ac44424724fc0b5b6f73fc0f3cb5460cd1.mp4