Chandigarh, July 27 -- Just days after the Congress high command convened a two-day huddle in New Delhi to end speculation over infighting in the Punjab unit, with senior leaders subsequently vowing to work together, the party's first major political mobilisation in the state revealed lingering signs of internal discord. On Saturday, former CM Charanjit Singh Channi, leader of Opposition Partap Singh Bajwa, former deputy CM Sukhjinder Singh Randhawa and others visited the protesting sanitation workers in Barnala together. Punjab Congress president Amarinder Singh Raja Warring reached the protest site separately in the evening. P2...