The pope and the church in the U.S. Pope Benedict XVI is visiting the United States for the first time as leader of the world's Roman Catholics. Midday explores the messages he plans to emphasize during his trip and the impact of his visit.11:00 a.m.
Bill Cahoy: Dean of St. John's University's School of Theology and Seminary.
Don Briel: Director of the Center for Catholic Studies at St. Thomas University.
Sharp barbs in Pennsylvania debate Days before the Pennsylvania primary, Democratic presidential candidates Hillary Clinton and Barack Obama participated in what was perhaps their last debate.12:00 p.m.