Duelling for Supremacy: International Law vs. National Fundamental Principles

It is a settled rule of international law that a State may not rely on the provisions of its 'internal law' as justification for failing to comply with international obligations. However, the judiciaries of most countries, including those with a high record of compliance with international norms, have increasingly felt the need to preserve the area of fundamental principles, where the State's inclination to retain full sovereignty seems to act as an unbreakable 'counter-limit' to the limita...