New Delhi: Union Minister K Natwar Singh on Wednesday handed over his resignation to Prime Minister Manmohan Singh, bringing to an end the month-long high voltage political storm over his continuance in the government in the wake of the Volcker controversy. Following up his decision on Tuesday night to step down from the Council of Ministers after meeting Congress president Sonia Gandhi, Natwar Singh drove to the official Race Course Road residence of the Prime Minister on Wednesday evening. "This is my letter of resignation from the Union cabinet as Minister without Portfolio. It has been a privilege to be...