academic who teaches in britain. u.s. officials told cnn that the source wasn t iedded in the campaign despite statements from the president and his allies suggesting otherwise. for a long time we were told there was some kind of infiltration. i believe if there was an imbedded person, that person cleared us. giuliani also saying during negotiations with mueller s team over the potential interview, investigators say their obstruction probe could wrap up by second first if the president agrees to sit down and answer questions. this as a times reports mueller is looking into another controversial meeting at trump tower involving the president s son three months before the election. prominent trump supporter erik prince arranged the meeting with george nader.