Kindles and iPads have moved into the mainstream, and by the end of 2012 it is predicted that more than 40 million eReaders and 60 million tablets will be owned in the United States. When it comes to traveling, unfortunately, consumers are often forced to use traditional forms of entertainment — physical books and magazines – due to the dated rules enforced by the Federal Aviation Administration. Those rules, however, may be about to change. Laura J. Brown, deputy assistant administrator for public affai...