Reply #92: It happens all the time. Judges, for instance, have a specific perspective on their court from...

[bridgit]

from their bench (literally a visual perspective) and the smatterings of the tiniest beginnings or promises to disrupt are viewed very quickly by the eye and in ways not seen by others especially if the propensity of participants to disruption is known in advance as predictable. Whether rightly whether wrongly the gavel itself is able to protest and so it comes down...BAM!

And observers, which is what they are; those seats may well be subject to Constitutionally guaranteed forms of protest but they are not reserved for protest per se; they exist for observation but nevertheless everyone within ear-shot of the event sequence is reminded of the purpose of the gathering as order is either called for, reestablished, or remembered as a utopian concept