PATNA, Aug. 10 -- The first signs of a political realignment in Bihar emerged when CM Nitish Kumar earlier this year agreed to hold a caste census in the state that was backed by the RJD, and Nitish attended an iftaar party hosted by Tejashwi Yadav on April 22. The script was authored by ailing RJD chief Lalu Prasad, Cong top brass and Nitish, coalition insiders said. P8...