"Without prayer, what we do becomes empty," Pope Francis said at the general audience this morning (full text, short video, full video). The Lord has redeemed everyone with the Blood of Christ, including atheists, the Pope said at his morning Mass. Pope Francis compared workers to the Good Samaritan during a visit to a Vatican soup kitchen yesterday (video). Vatican communications adviser Greg Burke says he saw signs that Pope Benedict was about to retire (video from 4:30). Alpha Course developer Nicky Gumbel talks to Cardinal Christoph Schönborn of Vienna about the conclave that elected Pope Francis (video from 17:00). Brandon Vogt discusses his new online project aimed at creating dialogue between Catholics and atheists. And Fr Tim Finigan considers what may have happened during the "non-exorcism" in St Peter's Square. Follow me on Twitter @lukecoppen for updates throughout the day