It's Do Or Die For Columnist Novak

At 50, columnist Robert Novak figured he'd stay in the game for 15 or 20 years more.

Now, at 76 and with his Prince of Darkness memoirs on the New York Times bestseller list, Novak tells us he'll write till he drops.

"As long as I'm cogent enough to have somebody print it," he says, "I'll keep writing it."

By Paul Bedard