PARIS — For France’s moderate left, it looks like now or never.
The Socialist party — less extreme than the rest of the fragile left-wing alliance that was cobbled together for this summer’s election — is signaling a willingness to compromise that has been in short supply of late.
As freshly elected centrist Prime Minister François Bayrou struggled to put together a government this month, the Socialists extended an olive branch and set down their red lines for not toppling it.