Rare video footage of Frida Kahlo and Diego Rivera visiting with Leon Trotsky in Mexico in 1938.

Debate in the Fourth International: The Leninist Strategy of Party Building and the Impending Ecological Catastrophe
Our historic conception of the Transitional Program and its underlying method is aimed at the construction of a deeply rooted, mass revolutionary socialist working class party with the central objective of leading the proletarian struggle for state power and the construction of a socialist society. The Bureau text is silent on this fundamental question.