Never have, never will.
Not even when collecting money at night in the Combat Zone.
People who do carry guns are a lot more likely to get fucked up, because they act stupid, like they have some kind of special power, it's easy to spot them, and it just tells the people who want to take them out to make the first blow count.

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“ The subjects of every state ought to contribute towards the support of the government, as nearly as possible, in proportion to their respective abilities; that is, in proportion to the revenue which they respectively enjoy under the protection of the state.”

Adam Smith , The Wealth of Nations 1776

"We have always known that heedless self-interest was bad morals; we know now that it is bad economics"
FDR's second Inaugural Address