McGurk: If Britain leaves the EU we must consider going too

Many people are looking in admiration at Britain’s questioning of its European Union membership

British Prime Minister David Cameron

Last week, Bertie Ahern warned that a British exit from Europe could force a new referendum in Ireland. Reflecting on the growing EU debate in Britain, Ahern warned that such was the extent of the changes London was seeking in order to remain, that a new treaty could be required. It’s a scenario few of us could have imagined only a few years ago.

Only recently, the notion of the United Kingdom exiting ...