Connecticut Shorty caught her first ride in the porch of a grainer—the slender, metal cutout on a grain-filled train car—traveling about 200 miles across Northern California, from Dunsmuir to Roseville. It was 1993, and Shorty, then 51, was learning how to hop freight trains from a man known as Road Hog USA. He was a hobo, part of an American tradition that emerged after the Civil War: transient laborers who rode the rails and found short-term work along the way. Shorty, diminutive in stature but enormous in charisma, was eager…