Cale spoke with host Melissa Block about writing original music at 70.

NPR: A Veteran Songwriter's 'Old Man' Music

Two Senate sources told CNN the handwriting on the letter also was similar to the block-style writing on the Daschle and Brokaw letters.

CNN: FBI releases photo of Leahy anthrax letter

Create structure for unstructured time: block out protected times during the week for thinking, writing, or focusing on special projects.

FORBES: How to Eliminate Random Acts of Senseless Productivity

With the Oscars just days away, Melissa Block chats with Academy Awards writer Bruce Vilanch, who has been on the Oscars writing staff for almost 20 years.

NPR: Behind the Scenes with an Oscars Show Writer