National security adviser Mike Waltz expressed optimism on where things stand regarding peace negotiations between Russia and Ukraine, which included Ukrainian President Volodymyr Zelensky meeting with President Donald Trump over the weekend.

President Trump and his wife, First Lady Melania, were among the key world figures to attend Pope Francis’ funeral at St. Peter’s Basilica in Vatican City on Saturday, April 26. Trump joined dozens of heads of state to bid farewell to the leader of the Catholic Church,

The United States has been pushing Ukraine to accept a peace plan that seems in part a gift to Moscow. But the short meeting of the leaders, and subsequent comments, appeared to be a change in tone.