Markets rattled by resignation of French PM but country is not alone in trying to grapple with political maths Markets rattled by resignation of French PM but country is not alone in trying to grapple with political maths Sébastien Lecornu’s abrupt resignation as the French prime minister on Monday after less than a month in the role marked the latest clash between France’s stretched public finances and its polarised politics. Lecornu was the latest prime minister to try and fail to cobble