By , BRUSSELS (Reuters) -Britain and the European Union appeared close to clinching a long-elusive trade agreement on Wednesday, raising hopes that they were now set to avoid a turbulent economic rupture on New Year’s Day.A senior British government source said Prime Minister Boris Johnson was poised to do a trade deal with the EU, after media reports said the agreement had already been done, just over a week before Britain completes its journey out of the bloc.But there was no official confirmation from either side that the months of negotiations had reached a conclusion.A source at the...…By , BRUSSELS (Reuters) -Britain and the European Union appeared close to clinching a long-elusive trade agreement on Wednesday, raising hopes that they were now set to avoid a turbulent economic rupture on New Year’s Day.A senior British government source said Prime Minister Boris Johnson was poised to do a trade deal with the EU, after media reports said the agreement had already been done, just over a week before Britain completes its journey out of the bloc.But there was no official confirmation from either side that the months of negotiations had reached a conclusion.A source at the...WW…