Russia's military advances in Ukraine appear to have stalled, as heavy casualties, equipment losses, and a lack of progress on the ground take a toll. Despite the horrific damage caused by the attack, Ukraine's military has held up better than many experts predicted. Elliot Ackerman, author and Marine Corps Veteran, joined Cheddar's Opening Bell to discuss why Ukraine's defense response been such a surprise, and what a stalemate in the war might look like.