In February, President Donald Trump offered a ray of hope to thousands of Ukraine’s families. “I believe I could, yes,” he said, when asked if he could convince President Vladimir Putin to return the more than 19,500 Ukrainian children Russia has abducted during its three-year full-scale invasion. “It’s pretty tough stuff, but I believe I could do that.” On Friday, he’ll have his chance. The Aug. 15 Trump-Putin meeting in Alaska offers the perfect moment for the president to raise this issue directly — and to make it unmistakably clear that freeing Ukraine’s children must be a prerequisite to any peace deal.