MUMBAI, April 7 -- On Saturday afternoon, right after the BJP Foundation Day function at Nagpur, BJP leader Devendra Fadnavis made an announcement: that Shrikant Shinde, sitting Shiv Sena MP from Kalyan and CM Eknath Shinde's son would contest the seat again in the forthcoming Lok Sabha elections. The announcement came even as the BJP and the Shiv Sena continue to wage war over at least five Lok Sabha constituencies....