New Delhi, May 18 : Union Home Minister P Chidambaram today defended the Centre's decision to allow NSCN (IM) leader T Muivah to visit his native village in Manipur saying that it was done to resolve the old and vexed Naga problem. Reacting to BJP leader Prakash Javadekar's criticism about his unilateral decision, refusal of which by the Manipur government led to the state's blockade and violence,...