MUMBAI, May 1 -- After a prolonged tussle between BJP and Shiv Sena, the Sena on Tuesday declared its Mumbai North West and Mumbai South candidates: its Jogeshwari MLA Ravindra Waikar and Byculla MLA Yamini Jadhav respectively. Mumbai is now poised for a Sena-versus-Sena fight in three constituencies-Mumbai South, Mumbai South Central and Mumbai North West....