Sinn Fein chief negotiator Martin McGuinness walks through the nationalist area of Bogside before giving evidence for at the Bloody Sunday Inquiry in Londonderry, Northern Ireland, November 5, 2003. IRA boss turned politician McGuinness faces questioning over allegations he planned to attack British troops on 'Bloody Sunday,' when soldiers killed 13 people at a civil rights march in Northern Ireland in 1972.   [Reuters]