Dublin Port is a busy passenger and freight terminal, and it’s unusual not to see a large vessel of some sort in Dublin Bay at any given time. For the past few months though, it’s been almost impossible not to see a ship: a bright red tanker has been at anchor in the bay since August after problems developed with its cargo of bitumen during unloading. Safe to say there’s a lot more than a ha’p’orth of tar involved there. Probably no sheep though.