It was the most awkward moment of Ukrainian President Volodymyr Zelensky’s week in America, a week in which his one mission was to convince the United States and its allies that Ukraine has a realistic plan for victory after 2 1/2 years of war with Russia.

Trump has been deeply skeptical of U.S. involvement in Ukraine — a contrast to President Joe Biden and Vice President Kamala Harris, the Democratic nominee, who have pushed for American aid.

President Volodymyr Zelenskiy said on Friday he had visited the northern Sumy region, from where Ukraine launched a major incursion into the neighbouring Russian Kursk region. Almost two months into the surprise operation,