professor pika, i want to start with you. bring us up to date on what happened in delaware. why didn't bo biden run as was so widely expected? >> as attorney general biden explained, in his decision, he really felt he was committed to pursuing the attorney general's office and particularly the prosecution of a very, very celebrated case in our southern most county of a pediatrician who had abused patients, primarily young girls who were in his care. this has been such a horrendous case where the allegations are just so outrageous that he felt that it would be wrong for him to step down from the attorney general's office when he confronted this enormous challenge and on a case which is so high-profile here in the states. >> ifill: it's fair to say this puts mike castle who is a popular former governor in a small state in the cat bird's seat. >> absolutely. he's been one of the most successful politicians that delaware has ever seen. he's been in elected office since 1966 with the exception of three years before he really moved in to the lieutenant governor's office. and so he