Comment: I disagree

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In reply to comment: We have nukes. (see in situ)

I disagree

It's understood that no sane government would use nukes against another nuclear nation except in retaliation for a nuclear attack. Therefore, nukes are not useful to deter anything but a nuclear attack. The US nuclear arsenal is not going to deter any other nuclear nation from making a conventional attack on the US, because no one believes that the US would start a nuclear war in retaliation for such an attack (and, indeed, it would be insane for the US to do so).

Nukes are necessary to deter nuclear attack, but conventional forces are still necessary to deter conventional attack.

"Alas! I believe in the virtue of birds. And it only takes a feather for me to die laughing."