> a genuinely new category of doomsday weapon Doomsday, perhaps. Genuinely new, no. Several countries have had the theoretical ability to leave a nuke on the o

> a genuinely new category of doomsday weapon Doomsday, perhaps. Genuinely new, no. Several countries have had the theoretical ability to leave a nuke on the ocean floor with a timer and/or a remote control, for decades now.