President Volodymyr Zelensky said that Russian forces had captured nearly 20% of Ukraine. In the announcement, Zelensky discussed the difficulty of defending against an onslaught of Russian forces. “We have to defend ourselves against almost the entire Russian army,” he said. “All combat-ready Russian military formations are involved in this aggression.” The war, entering over 100 days of fighting, is starting a new phase as Russian forces gain ground. After moving away from the capital Kyiv, Russian President Vladimir Putin is now focused on gaining ground in the east and south of Ukraine. In…