Defence Secretary John Healey has issued a pointed message to the Prime Minister over funding for the military as Cabinet wrangling continued over the Defence Investment Plan (DIP). Discussions on the DIP are understood to be going “down to the wire”, amid speculation that Rachel Reeves is refusing to budge on a final settlement of £13.5bn – short of the £18bn originally expected. Keir Starmer and the Chancellor are likely to push ahead with spe…