Indeed, even under the Constitutional Treaty, all states know that their partners have the express right to withdraw if they should ever become sufficiently disenchanted or come to look upon the EU as a bad bargain.
De hecho, incluso conforme al Tratado Constitucional, todos los Estados saben que sus socios tienen el derecho expreso a retirarse, si llegan a estar alguna vez lo suficientemente desencantados o a considerar desfavorable su trato con la UE.