What's wrong with this picture? A man and a woman are seated next to each other on a plane. She is reading a book, he is knitting. If you said, ''Men don't knit, women do,'' that's not the right answer. Actually, there is nothing wrong with the picture. More men are knitting today, including many whose names you will recognize -- such as Roosevelt ''Rosey'' Grier, a former star tackle with the New York Giants pro football team and the Los Angeles Rams; actors Russell Crowe and David Arquette, and Robert Gottlieb, former editor of The New Yorker magazine. Knitting...