Business secretary Vince Cable has said the Liberal Democrats will not support Iain Duncan Smith’s calls to cap child-related benefits to families with two children.Mr Duncan Smith, the work and pensions secretary, said yesterday morning – ahead of a speech at the Cambridge Public Policy think tank – that families claiming child-related benefits may find the amount they are entitled to capped at two children.
He was being quizzed on measures contained in his speech that questione...
