Chandigarh, Feb. 20 -- Punjab chief minister Bhagwant Singh Mann on Wednesday said the state cannot share even a single drop of water with other states as it is itself facing a crisis. Mann reiterated this stance during a meeting of the Ravi-Beas Water Tribunal, led by chairman justice Vineet Saran, with members justice P Naveen Rao and justice Suman Shyam and registrar Rita Chopra, in Chandigarh. The CM said Punjab has no surplus water to share and that reassessment of water availability is required according to international norms....