DUBLIN (Reuters) – Britain and the European Union are inching towards concluding talks on revising post-Brexit trade rules for Northern Ireland and an agreement is possible, but by no means guaranteed, in the coming days, Ireland’s prime minister said on Saturday. “I think the talks on reforming the (Northern Ireland) protocol are inching towards a conclusion. Certainly the deal isn’t done yet, but I do think we are inching towards a conclusion,” Leo Varadkar told reporters. “There is the possibility of agreement in the next few days but by no means guaranteed … There’s still a gap to be clo…