Mikhail Khodorkovsky , once Russia 's richest man and now its richest prisoner , began a hunger strike several days ago to protest the treatment of his co-defendant , business partner and friend , who , he says , has been held in solitary confinement for a week .
Mikhail Khodorkovsky /people/person/nationality Russia
NNP NNP , RB NNP POS JJS NN CC RB PRP$ JJS NN , VBD DT NN NN JJ NNS IN TO VB DT NN IN PRP$ NN , NN NN CC NN , WP , PRP VBZ , VBZ VBN VBN IN JJ NN IN DT NN .
Mikhail Khodorkovsky
PERSON
Russia
LOCATION
/people/person/nationality