The International Labor Rights Fund...filed a federal lawsuit in the US state of California, alleging workers at Bridgestone's Firestone rubber plantation in Liberia toil in virtual slavery...Dan Adomitis, the head of Firestone Natural Rubber Company...said..."...We provide our (employees) in Liberia with stable jobs, housing, health care and free education"...Reports about the lawsuit did not say whether or not the Firestone workers' association in Liberia has any knowledge of the lawsuit...But it seems likely that the association will have interest in the outcome...given past reports of discontent amongst the workers...