Flexibility vs. Legal Certainty: Article 307 EC and Other Issues in the Aftermath of the Open Skies Cases - European Foreign Affairs Review View Flexibility vs. Legal Certainty: Article 307 EC and Other Issues in the Aftermath of the Open Skies Cases by Christian N.K. Franklin - European Foreign Affairs Review Flexibility vs. Legal Certainty: Article 307 EC and Other Issues in the Aftermath of the Open Skies Cases Christian N.K. Franklin 10 1 European Foreign Affairs Review