The European Union is preparing a fourth round of sanctions on Russia, according to European Commission President Ursula von der Leyen. The EU is to “come forward with a fourth package of sanctions,” von der Leyen said at a press conference at an informal EU leaders’ summit in Versailles near Paris. Von der Leyen did not give details on the package, but sources told dpa that EU countries and allies including the United States are to revoke Russia’s “most favoured nation” trade status as a member of the World Trade Organization (WTO). The move to strip Russia of this status could pave the way f…