Ukraine with a warning for Russia as President Biden makes a top-secret trip into Ukraine to meet with President Zelensky. Rep. Seth Moulton of the Armed Services Committee joins to discuss the prospect of China providing lethal aid to Russia in the war in Ukraine. Plus, embattled Republican Congressman George Santos opens up about his past in a new and revealing interview and confesses to lying.To learn more about how CNN protects listener privacy, visit cnn.com/privacy