The closer the UK is forced together, the more likely it will break Vital decisions about Wales and Scotland are unilaterally taken in Westminster, fueling the arguments for devolution By Martin Kettle / The Guardian It is often rightly claimed that British Prime Minister Boris Johnson is determined not to lead the UK out of the EU only to preside over Britain’s own breakup. Johnson is not as indifferent to the kingdom’s survival as some around him. The problem is that his chosen UK-survival strategy is increasingly having the opposite effect. It is threatening to aid the breakup of the UK, not to prevent it.