Ukrainian troops are entrenched for winter protection

There is still no final decision on the quick dispatch of German tanks to Ukraine. But at a meeting of Western allies, General Mark Milley, chairman of the Joint Chiefs of Staff, stressed that with the right weapons and training, Ukraine could launch a significant counteroffensive against Russian forces that invade in the spring. Correspondent Debra Pato reports from the front line, where Ukrainian troops are entrenched, waging trench warfare in sub-zero temperatures.