An offer that could lead to the IRA's demise was made by republicans as part of a deal to restore devolution in Northern Ireland, political sources said yesterday.Talks to find a solution to the province's two-year political impasse continued last night. The IRA offered to decommission Gerry Adams, the Sinn Fein leader, offered to decommission most of the IRA's arsenal and a form of guarantee to end all paramilitary activity was put on the table.Before the summit at Leeds Castle in Kent started Mr Adams prepared republicans for an end to the IRA by saying that the terrorist...