How U.S. military assistance will impact war in Ukraine

NATO and the U.S. have provided Ukraine with hundreds of millions of dollars worth of weapons just in the last few weeks. Ukrainian soldiers credit the aid with helping them to resist a much larger Russian military. Retired Lt. Gen. Doug Lute, who had a 35-year career in the U.S. Army, served on the National Security Council staff and was ambassador to NATO, joins Nick Schifrin to discuss.