A fourth week of strikes has gripped France as the country's main trade unions continue to resist President Emmanuel Macron's plan to reform the pension system, fomenting unrest that will probably continue into 2020 and shape Macron's political future. For Macron, the stakes are higher than simply halting the disruptions to French public transportation systems and the small-scale fuel shortages that the strikes have caused. For him, the outcome of the dispute will determine how much room he'll have to act when it comes to introducing future reforms in the French economy....