A former Republican presidential candidate says the political corruption scandal involving Illinois Governor Rod Blagojevich could result in top advisors to Barack Obama being called to testify before a grand jury very early in his administration.

President-elect Obama has called on Governor Rod Blagojevich to resign for allegedly trying to trade favors for Obama's vacant Illinois senate seat. Although Obama says he had no contact with the governor or his office on the matter, in an interview last month on Fox News Chicago, top Obama advisor David Axelrod said otherwise...