This group is in sympathy with the United Secretariat of the Fourth International (USFI) and identifies with the minority tendency within the USFI. Socialist Action was formed by former members of the (U.S.) Socialist Workers Party.
Comprehensive site offers analysis of historical, encomomic and current political events. WSM's idea of socialism accepts Marxism but rejects Leninism, Trotskysim and reformism. WSM has "companion parties" in several countries.
Publishes Socialist Worker weekly and International Socialist Review bimonthy. The ISO is not active in the US Labor Party and orients towards the student movement.
Under the leadership of Sam Marcy, this group split from the Socialist Workers Party (US) in the late 1950s over the latter's condemnation of the Soviet invasion of Hungary.
Information about and news and views from the International Committee of the Fourth International led by David North. This is one of several ICFIs which originated under Gerry Healy.