Reeves lays ground for painful Budget, but will it be worth it?

Dharshini DavidDeputy economics editorGetty ImagesThe chancellor's pitch: the Budget will be painful, due to the actions of others, but it will be worth it, to tackle debt, help public services and promote growth.How does that add up?Rachel Reeves pinned the need for expected tax rises on the actions of previous governments – post-Brexit trading arrangements, austerity – as the underlying reasons for a…