At Rashtriya Janata Dal (RJD) chief Lalu Prasad’s “BJP bhagao, desh bachao” rally in Patna on Sunday, a number of political leaders graced the stage in a show of Opposition strength. One of them was Member of Parliament Sharad Yadav, who has fallen out with Janata Dal (United) Chief and Bihar CM Nitish Kumar. And one of the pictures that emerged from the rally was of Lalu hugging Yadav. This reminded some keen observers of another picture — of the RJD chief hugging Nitish, two years ago when the Grand Alliance was formed. Much water has flowed under the Gandhi