SHUSHEN Shatra didn't have to die. The belligerent face-off over Tata Motors' Nano plant in Singur was finally moving towards mediation, negotiation and even a faint glimmer of resolution. But the high drama around the Tatas' decision to suspend work at the Singur plant (where two of Shatra's sons were working) got too much for the frail farmer to bear. He had willingly sold all his land in the expectation that his sons would get secure employment. Shatra's death on September 3 came at a time when it was apparent that Mam-ata Banerjee of the Trinamool Congress was on the defensive. A day earlier, the decision to suspend work at the plant