While Ms. Yoncheva didn’t dwell on that not-quite-syllable at the end of "silence," she used it – to create a brief aura of melancholy, a puff of dark cloud.
Some regulations are explicit. Others are imprecise. One, for example, prohibits blurring the lines between "truth and falsity, good and evil, beauty and ugliness."
International law governing war or self-defense allows countries to knowingly kill some civilians as an incidental consequence of attacking a legitimate military target, so long as the bystander deaths are deemed necessary and proportionate.