Thousands of mourners bid farewell to Pope Francis, known as the "People's Pope," in a ceremony on Saturday, April 26. CBS News' Norah O'Donnell and John Dickerson anchored live coverage of the funeral service outside of St. Peter's Basilica.
The talks seek to limit Iran's nuclear program in exchange for the lifting of some of the crushing economic sanctions the U.S. has imposed on the Islamic Republic.
