Call me late to the party, but this submarine commentary has been on the back burner for a couple of weeks. As long-term readers would know, I often eschew the 24/7 news cycle, in favour of (ahem) in-depth reports. The headline might look like an outrageous flogging in a rugby match, but it is actually the fact of the matter. North Korea, with a population close to ours (25 million), has 71 submarines. Australia has just six….