Today I talk to Dr. Natasha Sumner, a Celtic Languages and Literatures scholar. Perhaps the name Fionn Mac Cumhaill is throwing you off, as he is also known as Finn McCool! Dr. Sumner and I met at a month-long Gàidhlig (Scottish Gaelic) immersion course a few years ago. The course at Colaisde na Gàidhlig was…