By CATHERINE PORTER French authorities banned gatherings in some cities Thursday and over the coming days in an attempt to avoid a repeat of the riots that rocked the country over the weekend. President Emmanuel Macron of France said Thursday that the bans were necessary “so that calm prevails, so that we can protect businesses and so that we can also protect public buildings.” “The general recommendation is that there should be no protests in the coming days,” Macron announced after emerging…