It is a weapon of mass destruction and our government is doing absolutely nothing to try to prevent it from coming in.
Russians pumped it in gas form to try to knock out the Chechen hostage takers inside a Moscow theater two decades ago. Ended up killing 170 people, including mostly hostages.
https://en.wikipedia.org/wiki/Moscow_theater_hostage_crisis
Some are okay with it coming in.
More backdoor genocide.