ewly-appointed BJP Karnataka chief B S Yeddyurappa on Friday said that in his political career he has tasted many sweet and sour moments, but assuming charge as the party chief in the state is one the sweet moments. The former state chief minister, who was till now discharging his duty as BJP Vice-President, became a frontrunner to assume the charge as the state party president, after the Supreme Court declined to intervene and lift a Karnataka High Court stay on his prosecution in a case under the Prevention of Corruption Act.