Cardinal Matteo Zuppi has begun a two-day peace mission in Kyiv, the capital of Ukraine, today, “as the envoy of the Holy Father Francis,” the Vatican announced on June 5.

This week on “Inside the Vatican,” veteran Vatican correspondent Gerard O’Connell and host Colleen Dulle analyze the Vatican's new document on social media.

The pope’s refusal to cheer either side in this war gives him credibility as mediator.

Sister Lucía Caram, an Argentinian nun living in Spain, has made 18 journeys to the war-torn country over the past 15 months, usually bringing humanitarian aid and returning home with refugees or wounded soldiers.

While in Portugal, Pope Francis plans to visit Fátima, the site of a recognized Marian apparition. Gerry and Colleen explain how the “secrets of Fátima” revealed there relate to the war between Russia and Ukraine.

Pope Francis’ peace mission, which he first announced on April 30, now appears to be underway.