From a story on politico.com by Nahal Toosi headlined “Relationships to watch as world leaders gather”:

President Joe Biden loves to say that foreign policy is an extension of personal relationships.

The annual U.N. General Assembly meeting of world leaders, then, must be the ultimate family reunion. Or maybe it’s high school?

Either way, you have love, rivalry and endless drama, but with the fate of the world at stake.

A number of prominent world leaders are expected to skip this year’s event, including those of France, Britain, Russia and China. Still, there are many interesting dynamics to watch among heads of state, diplomats, business and NGO leaders, and even a royal or two, who are showing up.