The little-known clause that Europe’s security may now depend on (opens in new tab)

Article 42.7 had languished in obscurity for decades – until Donald Trump began casting doubt on US commitment to Nato• Don’t get This Is Europe delivered to your inbox? Sign up hereMost people have heard of Nato’s article 5. The “one for all, all for one” clause states an armed attack on one member country should be considered an attack on all, requiring member states to come to the victim’s aid – including with “the use of armed force”.Not so many, till this week, had heard of the EU’s own ...