Itās reckless, if not insane, to deploy an open-top, unarmored all-terrain vehicleāin essence, a heavy-duty golf cartāin combat just a quarter mile from the front line. But two years into Russiaās wider war on Ukraine, Russian commanders are at least reckless if not not insane. Apparently this weekend, a Russian unitāpossibly the 488th Motor Rifle Regimentāattacked positions held by the Ukrainian 60th Mechanized Brigade in Yampolivka, in eastern Ukraineās Donetsk Oblast. A Russian column including what appeared to be MT-LB armored tractors and at least one T-90 tank motored west toward Yampolivka. That itself wasnāt unusual. What was unusual was...