After working for the weekly Monde, in 1932 he edited the weekly Marianne (magazine: 1932-40), which was the leading weekly on the left until the appearance of Vendredi in 1935. In it, he defended a political line favourable to the Popular Front but his intransigent pacifism and his equal refusal of both fascist and communist totalitarianism led him to adopt heterodox positions and to show his curiosity and sympathies in neo-socialism.
After working for the weekly Monde, in 1932 he edited the weekly Marianne (magazine: 1932-40), which was the leading weekly on the left until the appearance of Vendredi in 1935. In it, he defended a political line favorable to the Popular Front but his intransigent pacifism and his equal refusal of both fascist and communist totalitarianism led him to adopt heterodox positions and to show his curiosity and sympathies in neo-socialism.