Revelation about funding sources prompts distancing from J StreetThe White House appears to be distancing itself from the liberal advocacy group J Street that it once embraced as its envoy to the U.S. Jewish community after disclosures that nearly half the group's funding for 2008 came from a single Hong Kong donor. White House spokesman Thomas Vietor declined to comment when asked on Monday if the White House would continue its past practice of inviting J Street's leaders to take part in conference calls with senior White House officials and to other White House events, and whether senior Obama administration...