Will Emmanuel Macron, the political wunderkind who steamrolled France's establishment parties to win power as a centrist insurgent in 2017, survive a re-election battle overshadowed by Covid-19 next year? Or could the youngest French leader since Napoleon become just a one-term footnote in history, tripped up by his attempts to straddle France's left-right divide? Set to face far-right leader Marine Le Pen in a rematch of the 2017 election final according to polls, 43-year-old Macron already appears to be in campaign mode before formally announcing his re-election bid.