Why Unionism has a problem

Nothing in life is inevitable so the old saying goes, other than death and taxes and maybe Arsenal finishing fourth in the Premier League, so the recent old news that the Catholic population of Northern Ireland may soon reach a voting majority might cause sleepless nights. Of course, Unionists will be quick to point out that substantial numbers of Catholics, including a proportion of SF voters, would not vote for a United Ireland if a referendum were to be held tomorrow.