Kolkata, May 21 -- Bitter political rivalries especially during elections are not new to West Bengal, but when broken familial ties and family feuds turn into political rivalries, as is the case in at least three Lok Sabha constituencies in the eastern state, the contests become ever so fierce. In the ongoing polls, the state is witnessing a showdown between a three-term lawmaker and his former son-in-law, a bitter rivalry between a divorced couple, and a soured relationship-turned-political enmity between an uncle and his nephew....