An investigation into Marines accused of helping smuggle migrants into the United States led to the arrest Thursday of 16 Marines at California's Camp Pendleton. Also, 16-year-old climate activist Greta Thunberg joins Here & Now's Femi Oke from a protest in Stockholm. And, NPR national security editor Phil Ewing joins us to discuss the Senate Intelligence Committee report on election interference. That and more, in hour two of Here & Now's July 26, 2019 full broadcast.