In Pic :Rhinoceros at the Kaziranga National Park in Guwahati, Assam, Feb. 21.   The recent surge in killings of one-horned rhinoceroses in India’s northeastern state of Assam by poachers has again shone a spotlight on the endangered animal’s fight for survival.   State authorities are fighting back. On Wednesday, two poachers “allegedly involved in the recent killings of rhinos” were shot dead by forest guards, said Niranjan Kumar Vasu, […]