The Observer view on the cost of Brexit being huge. Just ask the Northern Irish | Observer editorial https://www.theguardian.com/commentisfree/2021/feb/07/the-observer-view-on-the-cost-of-brexit-being-huge-just-ask-the-northern-irish?utm_term=Autofeed&CMP=twt_gu&utm_medium&utm_source=Twitter#Echobox=1612679021