Senator Byron Dorgan; Enron Update; Senator John McCain; Terrell Lester

Senator Byron Dorgan reacts to former Enron C.E.O. Ken Lay's refusal to testify before the Senate. Journalists Allan Sloan, Floyd Norris, and Kurt Eichenwald put the Enron scandal in context and break down what we know so far. Senator John McCain details the importance of campaign finance reform and focuses on its connections with the scandal. Photographer Terrell Lester shares his new book, "Maine: The Seasons," and reflects on the unusual career path that led him to photography.