Pearse Doherty’s party is consistently polling as the most popular in the state. Sinn Féin’s policies, its people, and its fitness for power are being scrutinised more carefully as a result. Rightly so. I spoke with Doherty this week on a range of topics important to readers of The Currency, both national and international. Ireland’s fiscal stance post-Covid, the issue of ageing and change, the need to increase taxes, supporting high-growth companies, the reunification with the North, and more. We cover a lot of ground. We begin with his first budget as finance minister, his clear focus on enhanced capital…