The Financial Times reports Insurrection Forces François Hollande to Act . François Hollande, a politician renowned for his caution, acted with uncharacteristic speed on Monday to shake up his Socialist government after a weekend of provocative insurrection by Arnaud Montebourg, his most voluble leftwing minister. The Elysée Palace denied French media reports that Manuel Valls, the uncompromising prime minister appointed only five months ago, had delivered a “him or me†ultimatum to the president, forcing Mr Hollande’s hand