David Cameron has made Britain a “semi-pacifist” nation more interested in protecting “welfare and benefits” than adequate defenses, one of the country’s most senior retired generals has warned. General Sir Richard Shirreff, former Deputy Supreme Allied Commander of NATO, said the UK had “shrunk in to itself” and carries an “increasingly impotent stick”. He said the country now risked losing its post-Falklands global reputation for military might. …