Letters

This week we've collected your letters, emails, tweets and comments. We're always happy to hear feedback from listeners and many of our segments stirred up debate online.

We spoke with Dr. Richard Ferber, the author of "Solve Your Child's Sleep Problems." The popular distillation of his method for getting infants to sleep is sometimes known as "cry it out."

We also heard from a listeners on the subject of the MCAS science exam and a new book of Civil War walking tours in Boston.