Former Democratic Unionist Party leader Dr Ian Paisley arrives at his constituency offices in Ballymena where he announced his retirement as MP for north Antrim, Belfast March 8, 2010. Paisley, the firebrand protestant who played a central role in Northern Ireland politics through decades of violence and the peace process that followed, announced his retirement on March 2, 2010. REUTERS/Cathal McNaughton (NORTHERN IRELAND - Tags: POLITICS)