A group of foreign academics , lawyers and human rights activists sent a open letter to President Hu Jintao on Tuesday urging him to '' reverse a worsening crackdown on voices of dissent '' in China .
Hu Jintao /people/person/nationality China
DT NN IN JJ NNS , NNS CC JJ NNS NNS VBD DT JJ NN TO NNP NNP NNP IN NNP VBG PRP TO '' VB DT VBG NN IN NNS IN NN '' IN NNP .
Hu Jintao
PERSON
China
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/people/person/nationality