Brexit chaos could add to commutes around ports as we battle with unknown unknowns

CLdN's Ro-Ro vessel MV Melusine arrives into the Port of Cork on the freight-only Ro-Ro service between Cork and Zeebrugge. The new route adds extra supply chain capacity during the Covid-19 crisis and post-Brexit and a second weekly call has been added. Picture: Port of Cork
It was former US Secretary of Defence, Donald Rumsfeld, who managed to befuddle and provide insight at the same time when he spoke of "known knowns, known unknowns, and unknown unknowns" in relation to the Iraqi weapons of mass destruction that never were.
The head-scratching words of the most notorious member of George W Bush's administration could just as easily apply to Brexit.