Ukrainian President Volodymyr Zelenskyy said he and President Donald Trump have agreed to meet "in the near future." William Taylor, former ambassador to Ukraine, tells "Morning in America" he's "cautiously optimistic" and that "there has been some good progress" between the United States and Ukraine. "The problem remains Russia," he says. Start your day with "Morning in America," NewsNation's live three-hour national morning newscast hosted by Markie Martin. Weekdays starting at 6a/5C. #MorningInAmerica NewsNation is your source for fact-based, unbiased news for all Americans. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij