Kelsey Phinney brings to the sport of cross-country skiing a big-world view as she has rolled with challenges and fine-tuned her athletic performances. First things first: Phinney has become a voice for Parkinson’s Disease advocacy and education. She produced this great podcast episode for the Davis Phinney Foundation titled The Neuroscience of Parkinson’s — it’s part of a broader series from Phinney called The Parkinson’s Podcast. Phinney’s father, himself a former professional cyclist who was diagnosed...