On a sunny Saturday in August, I stood at a one-room cabin near the outskirts of Fort Atkinson, Wisconsin, thinking about the great American poet Lorine Niedecker. She lived from 1903 to 1970, including many years in this tiny home, which stands on the bank of Rock River as it leads to Lake Koshkonong. She wrote some of the most beautiful American poems of the last century in and about this part of the world. I’ve read and taught …