Perhaps its a limitation of our form of democracy, but if voters think the presidents job 'is to keep the American people safe' and they vote in said direction-

Perhaps its a limitation of our form of democracy, but if voters think the presidents job 'is to keep the American people safe' and they vote in said direction--well, that's the de-facto job. If the president is comfortable outright saying that his effective job is not the one legally defined, that's kind-of a HN topic in itself.