VATICAN CITY — Pope Leo XIV met Thursday at the Vatican with the head of the Greek Catholic Church in Ukraine, in one of his first audiences as pontiff that reaffirmed his appeal for a peaceful, negotiated end to Russia’s war.

I met the man who would become Pope Leo XIV in October 2023. We were standing outside the Vatican’s Synod Hall, and from my short conversation with Cardinal Robert Prevost, I could tell he was a good listener,