Not commentary, but something that has been predicted, and two you might like to see.
As we have been told might happen, gCaptain tells us a cruise ship is planning to transit the North West Passage through the Arctic.
Then, just for fun, there are some great photos of the USS Constitution, and a video of some time spent on the mainmast of the Charles W. Morgan.
There is a bit more information about this planned cruise through the Arctic. 1700 passengers and crew starting in Alaska and ending in New York. http://maritime-executive.com/article/what-keeps-the-coast-guard-awake-at-night