Hopes for Irish unity are “noble and legitimate”, said Irish Deputy Prime Minister Leo Varadkar, but he called for compromise in the debate on the island’s constitutional future. Addressing a rally on Saturday of thousands in favour of the unification of the Republic of Ireland and Northern Ireland — part of the UK — Varadkar said he shared the aspirations of the crowd but warned against imposing the will of the majority on a pro-UK minority. “There are opposing dreams on this island, which cannot be ignored, cannot be wished away, cannot be silenced, nor should they be. Those approaches faile…