ABCNews -- Martha Stewart often rises before her roosters; she confessed on a recent "Nightline" visit that she sleeps only three or four hours a night. And getting sick? Nonsense. "I'm never sick," said Stewart. "Why get sick? It's a waste of time." Stewart seems to have only one speed: fast forward. And that, to use the phrase she made famous, may be a "very good thing." In her most-revealing television interview since serving five months in prison in 2004 for lying to investigators about a well-timed stock trade, Stewart gave "Nightline" unprecedented access to her daily life and her business empire, Martha Stewart Living Omnimedia, (MSLO). It is a critical moment in the company's evolution. The world's most famous homemaker gamely agreed to...