This in the NYT about booze, diplomacy, UN. And history (although the reporter didn't mention that last).
. . . there is still a sort of residual 1950s, 1960s feel to the culture,” said Mr. Gowan, whose father was a diplomat. “You do sort of feel that you are sort of stuck in the past.”
I'd be sad to see this alcohol culture change. (*1) Seems more useful and fitting to sustain the Post-World-War-II spirit living in those hallways and meeting rooms.
History matters. It can saturate a space and make it live in ways that we otherwise might not notice.
*1: A fix? Introduce new and interesting beer and spirits --- and hey! --- Global diplomacy, rejuvenated. And for pennies relative to billions.