 WBUR, I'm Lisa Mullins in Boston. And I'm Scott Tong in Washington, D.C. This is Here and Now. First responders in Kiev, Ukraine, are trying to rescue people from the rubble of a children's hospital struck by a Russian attack. The attack came Monday. Russia now controls about 20 percent of Ukraine's territory, and many are asking if the war is now a stalemate. For his part, General Mark Milley, former head of the Joint Chiefs of Staff, has said neither side can likely prevail.