Ukrainian President Volodymyr Zelensky praised President Biden for his surprise trip to Kyiv on Monday for talks in the war-torn capital city just days ahead of the one-year anniversary of Russia’s invasion of Ukraine. “Historic. Timely. Brave. I welcomed @POTUS in Kyiv as Russian full-scale aggression approaches its one-year mark,” Zelensky said on Twitter. “I am thankful to the U.S. for standing with Ukraine and for our strong partnership. We are determined to work together to ensure Ukraine’s victory.” Biden in Kyiv announced another half-billion dollars in aid to Ukraine and gave remarks on unity in the face of Russian...