Galvanized by the events of May 1968 in France -- a nationwide ideological upheaval that briefly succeeded in chasing President Charles de Gaulle out of the country -- Mr. Godard and Mr. Gorin had spent the next four years making raggedly improvised agitprop films with titles like '' Pravda '' and '' See You at Mao '' -LRB- both 1970 -RRB- .