Former EU heavyweight Michel Barnier was named as the new French prime minister on Thursday by President Emmanuel Macron and vowed to cause “disruption” in a bid to bring the nation together. Macron “has tasked him with forming a united government to serve the country and the French people,” the Élysée Palace announced. The appointment of the conservative comes some two months after a snap parliamentary election called by centrist Macron resulted in a broad left-wing alliance coming out on top. But no party or political alliance secured enough seats in the National Assembly, resulting in a hun…