It is Day 80 of a tremendously difficult, three-month, 1100-mile trek up the Pacific Crest Trail, from the Mojave Desert to the Bridge of the Gods that spans the Columbia River at the Oregon-Washington border. On a narrow path in a lush Oregonian rain forest, Cheryl Strayed (Reese Witherspoon) runs into an elderly woman and her grandson — an angel-faced child of no more than five — accompanied, perhaps not so strangely, by a pet llama. The precocious boy politely offers her a tune. His rendition of “Red River Valley” is as innocent as the nostalgic lyrics, so pure it […]