Stability or monarchy? France's Fifth Republic turns 60

As France marks the 60th anniversary of its Fifth Republic, we're looking at the inception and endurance of this political regime and its Constitution. Despite a number of reforms, some deep social and political changes, and ongoing calls for the Fifth Republic to give way to a Sixth, this grand old dame is still going strong. We ask Jean-Louis Debré, former president of the National Assembly and son of the Constitution's author, how it has stood the test of time.