Now a charity with nationwide reach, the nonprofit Code of Vets alleviates hardships faced by thousands of Americans who’ve come home from honorable military service. The cases they handle range from evictions and foreclosures to post-traumatic stress disorder and other medical issues. Yet their effort began not even three years ago as a mere Twitter page, recognizing the life and memory of one devoted patriot, Sergeant Danny Smiley. A Bronze Star Medal recipient who served in Vietnam and was exposed to agent orange, Smiley lost his battle with PTSD at the age of 57. His daughter is Gretchen Smith, herself...