The founder of the hard-left La France Insoumise (France Unbowed) party said he has a clear mandate to govern following the surprising electoral success of the left-wing alliance he formed for Sunday’s French parliamentary elections. “The president has a duty to call on the New Popular Front to govern,” Jean-Luc Mélenchon said after the first projections were published on Sunday evening showing his alliance on top. Prime Minister Gabriel Attal from President Emmanuel Macron’s centrist camp must go, he demanded. Macron should concede defeat, Mélenchon said, while ruling out negotiations on a me…