LUCKNOW, May 7 -- : In a dramatic turn of events, the Bahujan Samaj Party (BSP) changed its candidate for the Jaunpur Lok Sabha constituency on Monday, the last day of nomination for the sixth phase, nearly 20 days after declaring Shrikala Dhananjay Singh, the wife of tainted politician and former MP Dhananjay Singh, as its candidate on April 16. She even filed her nomination on May 1 and was vigorously campaigning in the constituency....