Sentence:  Whether conservatively toeing their Marx or boldly advocating such heretical Western-style reforms as the primacy of profits, every important planner, <WSD>apparatchik</WSD> and economist in Russia is caught up in Communism's greatest debate since Stalin set backward Russia on its cruel-but successful-forced march into the 20th century industrial world. 
Meaning of the word marked with <WSD> tags:  A member of the Soviet apparat; a Communist bureaucrat or agent. (from 20th c.)