Russia Suffers 'Catastrophic Strategic Disaster' In Ukraine: U.S. Defense Expert

Russian President Vladimir Putin's invasion of Ukraine has been "a catastrophic strategic disaster," according to a top U.S. defense official. "But I can say one thing with confidence, which is, Russia has already suffered a massive strategic failure. That's not going to change," Colin H. Kahl, the U.S. Under Secretary of defense for policy, told the Defense Writers' Group on Tuesday.