Despite big boost at the polls, Macron still faces hurdles

FRENCH President Emmanuel Macron's upstart party, En Marche! (Forward!), won a stunning victory in Sunday's legislative elections. With this latest big boost, the youngest president in the six decade-long Fifth Republic has transformed the country's political landscape in a matter of weeks and has the potential to become one of the country's most successful ever political leaders.

Yet, his ultimate success in the co…