Russia-Ukraine war: This isn't really a time for diplomacy, says former U.S. ambassador

William Courtney, adjunct senior fellow at Rand Corporation and former U.S. ambassador to Georgia and Kazakhstan, says the Ukrainians are making "striking advances" on the battlefield, and it is unlikely that the Kremlin would be willing to negotiate something that'll be acceptable to Ukraine or the West. CNBC International 10/05/2022