Macron rivals warn against parliamentary monopoly

French President Emmanuel Macron's rivals on Monday warned against handing him an overwhelming parliamentary majority that would stifle debate, after his party cruised to victory in the opening round of elections to the National Assembly.Macron's year-old centrist Republic on the Move (REM) party and its allies are tipped to clean up in the 577-member lower house of parliament, winning up to 445 seats -- an unprecedented total for a post-war president.Record low turnout of 49 percent in Sunday's