Dear Editor

"Brevity is the soul of wit" is an adage lost on many an opinionator, but not on Felicia Nimue Ackerman, who's among the most published letters-to-the-editor writers in the country. Since 1987, more than 200 of her letters have been printed in the New York Times alone. Bob talks to Ackerman as well as Tom Feyer, letters editor for the Times, about the art of the epistolary retort.