America's defeat in Vietnam offers a game plan for Ukrainian victory

That war has parallels with Ukraine's fight today. The North Vietnamese thwarted vastly superior American firepower with strategies backed by massive Soviet and Chinese military aid. They are a playbook for how Ukraine might compel Russia to make peace within two years, argues Oleksandr Danylyuk, a former top Ukrainian security official and now an analyst for the Royal United Services Institute, a British think tank.