In Israel , Mr. Finkelstein used similar attacks against the Labor Party as an adviser to Prime Minister Ariel Sharon and as a consultant to the winning and losing campaigns of Benjamin Netanyahu , the former prime minister .
Ariel Sharon /people/person/nationality Israel
Benjamin Netanyahu /people/person/nationality Israel
IN NNP , NNP NNP VBD JJ NNS IN DT NNP NNP IN DT NN TO NNP NNP NNP NNP CC IN DT NN TO DT NN CC VBG NNS IN NNP NNP , DT JJ JJ NN .