A successful Broadway set builder took his theater skills back to New England. At the tiny Addison Repertory Theater, a part of the Hannaford Career Center, he teaches all aspects of professional theater to students — some of whom go on to successful careers in Hollywood and New York.

The news that the National Security Agency has been collecting reams of telephone data and internet surfing both at home and abroad has rattled civil liberties groups. Amid the concerns about privacy and possible abuse, the revelations are an indication of something important: the intelligence community's move into the new frontier of Big Data.