Ukrainian President Volodymyr Zelenskyy tells ABC News' Martha Raddatz his troops are making slow but steady progress in their counteroffensive: "Every day means new losses of Ukrainians." SUBSCRIBE to ABC News on YouTube: bit.ly/2vZb6yP Latest updates: abcnews.go.com Watch FULL EPISODES on Hulu: abcn.ws/3bzvQQn #news #ukraine #zelenskyy #militaryaid #ukrainewar #abcnews