NEW YORK — First, Martha Stewart declared she is used to hard work and is not afraid of prison. Later, in an interview with ABC News, the homemaking expert repeated that she would be able to handle it and compared her plight to that of anti-apartheid activist Nelson Mandela. "I could do it," she said, according to excerpts released by ABC late Friday. "I'm a really good camper. I can sleep on the ground. There are many, many good people who have gone to prison. Look at Nelson Mandela." Stewart's confident demeanour was strikingly different from her attitude in the...