Tory ex-defence minister voices doubts over need for Trident replacement

James Arbuthnot says nuclear deterrence is 'potential booby trap' and Britain is no longer a top-tier military power One of the Conservative party's most influential voices on defence has conceded that Britain can no longer be regarded as a "division-one military power", and raised questions over the sense of replacing the Trident nuclear fleet with a new generation of missile-launching