athens europe risk subjugation china unite state unless become sovereign democratic french president emmanuel macron say thursday speech underline scale ambition reform european union speech deliver symbolically athens hill ancient greeks give birth democracy thousand years ago macron fervent europhile say continent would face demise without radical overhaul governance order rule big power chinese americans believe european sovereignty allow us defend exist macron say top hill pnyx spectacular backdrop parthenon temple sunset afraid european ambition elect four months ago 39-year-old leader want giant leap european cooperation economic level would see creation euro zone budget finance minister parliament macron say democratic institutions would help respond populist wave see rise far-right leaders marine le pen defeat may help fuel successful brexit campaign lead britain vote leave eu say would unveil road map eu weeks germany sept. 24 election want european leaders agree end year launch public debate first half 2018 citizens able discuss vision bloc want new european treaty discuss behind close doors corridors brussels berlin paris macron say debate so-called democratic conventions propose french presidential campaign would help lay foundations europe next 10 15 years macron also say back idea give britain 78 seat european parliament pan-eu representatives elect eu citizens brexit macron hurl challenge europe reform decline