The G20 is at a critical juncture. Either it moves forward shaping the way of a new, more effective, global governance or it will become just another Gn where discourses and solemn declarations take the lead over action. There is nothing wrong in multiplying for where heads of states and governments meet all over
the planet. At the contrary exchanges of views on common problems and the ways they are appraised in different countries may “à la longue” affect the design of national policies (...)