Twelve years after the U.S. invasion of Afghanistan, we’ll look at why the number of attacks from within the Afghan security forces is on the rise. Directors Joe Brewster and Michele Stephenson talk about their documentary, “American Promise,” which follows two African American boys over the course of 13 years. Alice McDermott discusses her latest novel, called Someone. We’ll look at why the Tennessee Valley Authority is coming under attack, just as it marks its 80th anniversary! And, we’ll find out the startling and mysterious increase in moose deaths.