"... a foreign government using local police to eject reporters over a single question from a public space turned private at the will of the American government is not a minor diplomatic awkwardness." The fact it's a public space is kind of irrelevant here, if the landowners (the city council, I guess) decide to temporarily allow private use. If some roads had been closed for film production use etc, the police would…
>Whether ejecting someone from a press event for asking a question you don't like is right or not (I personally think it's not) is irrelevant.
That's the core issue. It isn't irrelevant.