Pope Benedict XVI defined solidarity as "a sense of responsibility on the part of everyone with regard to everyone," during a May 19 audience with members of Catholic charitable groups. Because everyone is obligated by the demands of solidarity, the Holy Father said, "it cannot therefore be merely delegated to the state." He stressed the need for individual involvement with those in need. "Your activity must be animated by charity," the Pope said. "This means learning to see with the eyes of Christ and giving others much more than what is externally necessary." That "much more," the Pope explained, is...