A shocking new video out of Crimea shows Russian efforts to recruit and indoctrinate kids by forcing them through military training exercises, including martial arts lessons and rifle-handling classes. Shared by Russian state media, the disturbing recording shows a young boy and girl in Simferopol, the peninsula’s second-largest city, racing to assemble Kalashnikov-style rifles at their desks, according to a report from Business Insider. When the two finish — within moments of each other — another student asks, “Who won?” Then the video cuts to a group of Crimean schoolchildren toting rifles in what looks like the lobby of a...