Vijayawada: Dissidence came to the fore when Telugu Desam chief N. Chandrababu Naidu was addressing the party leaders at Nallajerla in East Godavari on Friday. Party leaders and their supporters demanded a change of party nominees in Gopalapuram and Polavaram Assembly segments, raised slogans and tried to stop his convoy of vehicles by squatting in front of it. Naidu called …