Guardian investigation uncovers decision by UK security officials to deny clearance before Mandelson took up role as US ambassadorOfficials debate withholding Mandelson vetting documents from parliamentFive key questions: Who overruled the decision to deny Mandelson security clearance?Peter Mandelson failed his security vetting clearance but the decision was overruled by the Foreign Office to ensure he could take up his post…
Source: World news | The Guardian