The writer pours scorn on the notion of a liberal world order, citing as evidence President Barack Obama’s alleged kowtowing to “mass murderer” Hun Sen of Cambodia.
The photo accompanying his letter shows Obama bowing to Hun Sen’s wife (not to Hun Sen), in response to her bow of greeting. Hun Sen is merely a bystander. It is common courtesy to bow, greet, and shake the hand of your host.
As for the arrogance of Donald Trump in such situations, the less said the better.