The "Folkhemmet" plan of this party's leader, E.A. Hansson, called for an expansion of the (*) welfare state.  
A member of this party was instrumental in the release of a documentary about drug culture whose title translates as They Call Us Misfits. Politicians from this party promoted the prewar "People's Home" and the  postwar "harvest time" visions, the latter of which was the brainchild of a leader of this party who was Prime Minister of his country for 23 straight years. While shopping for clothes in 2003, a member of this party named Anna Lindh was stabbed to death by a Serbian assassin. The "Folkhemmet" plan of this party's leader, E.A. Hansson, called for an expansion of the (*) welfare state.  Eugene de Kock claimed the South Africans were responsible for the unsolved shooting of an anti-apartheid leader of this party on the streets of Stockholm. For 10 points, name this left-leaning Scandinavian political party, whose past members included Tage Erlander and Olof Palme.
A member of this party was instrumental in the release of a documentary about drug culture whose title translates as They Call Us Misfits.
Swedish Social Democratic Party [or Swedish Social Democrats; or Social Democratic Workers Party of Sweden; or  Sveriges socialdemokratiska arbetareparti; or socialdemokraterna; or SAP;  prompt on the Workers' Party]