You never have to change anything you got up in the middle of the night to write. - Saul Bellow BUT: Only the hand that erases can write the true thing - Meister Johann Eckhart Which is it? The words of the famous thirteenth-century German mystic or the modern Nobel Prize for Literature winner? Both, of course. Editing - writing - involves juggling these two basic truths. Sometimes a text comes out finished; the trick is to believe in it and not fiddle around. Other times, most of the time...