Fri 11 Nov 2006SF seeks timetable on policing powers An agreement on the timetable for transferring powers over policing from Westminster to the Northern Ireland Assembly must be in place before Sinn Féin will hold a special ardfheis to drop the party's opposition to the Police Service of Northern Ireland, Sinn Féin has said.Sinn Féin leader Gerry Adams will receive a report in coming days on party grassroots opinion towards the St Andrews proposals presented by the Irish and British governments in Scotland last month.