MUMBAI, May 5 -- Elections without a karyakarta is like 'Hamlet' without the Prince of Denmark. The faceless man keeps the poll juggernaut moving evenly on the path of democracy. "In India the political activist is a tenuous link between people and the larger political system," said Ramesh Oza, Gujarati writer and political commentator, a former karyakarta of the Jayaprakash Narayan-led Chhatra Yuva Sangharsha Vahini of the 1970s....