How Brexit will happen, after 43 years together

“The Brexit negotiations will take much longer and be far more complicated than many British politicians realize,” Charles Grant, director of the Centre for European Reform, said in a research report. In fact, Grant said, there may need to be six sets of agreements: an EU divorce deal, a new UK-EU trade regime, an interim EU accord to cover the period between them, full membership in the World Trade Organization, new trade deals with other countries, and new foreign policy and defense arrangements.