If he's a poet, why's he in jail?" demanded a suspicious voice. Madam Chairwoman shrugged velvet shoulders. "Perhaps he writes free verse," she suggested cunningly. A stir of approval answered her. Mice are all for people being free, so that they too can be freed form their eternal task of cheering prisoners--so that they can stay snug at home, nibbling the family cheese, instead of sleeping out in damp straw on a diet of stale bread.