Sarah Carey: Leo Varadkar is doing Simon Harris no favours at all with unhelpful talk of a united Ireland

In July, I wrote a farewell column to Leo Varadkar that concluded by wishing him a happy ever after. I presumed he was planning a dignified exit from the political stage. No chance.

Last week, there he was, babbling on about, of all things, a united Ireland. He was speaking at the Keough-Naughton Institute at Notre Dame in America, the world’s leading centre for Irish Studies..