I'M NOT SURE IF I BELIEVE DOWD

But in this column, she briefly recounts a dinner she had with Fats Limbaugh and notes:

At our long-ago dinner, Limbaugh credited his success with being “one-dimensional.” “I’m totally concerned with me,” he said.

Now, that may not be a true recollection but it does fit in with Bill O'Reilly's remark about talk shows:

"Conservative people tend to see the world in black and white terms, good and evil," says O'Reilly in an interview. "Liberals see grays. In any talk format, you have to pound home a strong point of view. If you're not providing controversy and excitement, people won't listen, or watch."