The 100-year development of united and popular front concepts is based on Lenin's concepts of transitional forms and combining the struggle for democracy with the struggle for socialism.
The main factor explaining the grim circumstances in which the working class finds itself is the one-sided intensification of the class struggle by the capitalist class.
Today's left intellectuals offer both insight and inspiration. But as good social analysts as they are, some of them come up short at the political level.