New Delhi, July 18 -- The Enforcement Directorate (ED) has filed a charge sheet against Congress leader Sonia Gandhi's son-in-law Robert Vadra in connection with its money laundering probe in a 3.53-acre land deal in Gurugram's Shikohpur in 2008, people familiar with the development said on Thursday. The agency has also attached 43 properties worth Rs.37.64 crore belonging to Vadra and his companies. A statement by Vadra's legal team said the proceedings are an extension of the political witch hunt by the government.P8...