“If we were to leave the European Union, we’d jeopardise up to 3 million jobs in this country that are dependent on our place [in the EU],” Mr Clegg said. “It’s the world’s largest borderless single market. We’d make ourselves less safe because we work in the European Union to go after criminals who cross borders, it would be more difficult to deal with environmental challenges that cross borders. We wouldn’t be taken as seriously by the Americans, for instance, who like the fact that we stand tall in our own European back yard.”