LUCKNOW, July 26 -- What began as a protest demanding the resignation of Union education minister Dharmendra Pradhan at Lucknow's Eco Garden on Saturday quickly turned into a celebration after Bhim Army founder and Nagina MP Chandra Shekhar Azad announced from the stage that minister had stepped down. Thousands of students and young supporters had gathered at the protest venue since early afternoon, carrying placards and banners seeking Pradhan's resignation over alleged irregularities in national entrance exam. P3...