Reading Between the Lines • If presidential candidates were books, could we judge them by their covers? Well, why not, since we're torturing a metaphor anyway. Below are titles from a roundup of candidates' favorites, as culled last week by the American Booksellers Association. Try to correctly match 'em with your favorite Democratic presidential aspirant (or Republican incumbent). 1. Wesley Clark 2. Howard Dean 3. John Edwards 4. John Kerry 5. Dennis Kucinich 6. Joe Lieberman 7. Al Sharpton 8. George Bush A. "Undaunted Courage" (Stephen Ambrose) B. The Bible C. "The Great Santini" (Pat Conroy) D. "Moral Man and...