The 'promise of a peaceful world' eclipsed by the 'reality of a fragmented world'

Amid a fractured world and decades of 'paralysis' of the UN Security Council as it struggles to find any common ground among a wide array of geopolitical crises, FRANCE 24's François Picard is joined by Dr. Ghassan Salamé, International Relations Professor at Sciences-Po, former UN representative, former Minister of Culture of Lebanon.