The stage is finally set. Less than three months before the French presidential election, all the candidates are now known after the Socialists chose Benoit Hamon as their flag-bearer. It is certainly a wide-open race. The favourite, conservative candidate François Fillon, is mired in controversy over allegations his wife held a fictitious job, while his two main rivals, far-right leader Marine Le Pen and centrist newcomer Emmanuel Macron, are gearing up to fully launch their campaigns.