Over 600,000 Russian soldiers have been killed or wounded in the full-scale invasion of Ukraine, NATO Secretary General Mark Rutte said on Monday. Rutte also confirmed the deployment of North Korean soldiers to fight on the Russian side in Kursk, a region seized by Ukraine. Evidence of the soldiers’ presence in Russia has been building over the past few weeks. The deployment is a sign of Russian President Vladimir Putin’s “growing desperation,” Rutte said, adding that Putin is “unable to sustain his assault in Ukraine without foreign support.” Rutte denounced the “deepening military cooperatio…