Passengers flying through Boston’s Logan International Airport will notice the security screeners are chattier than usual, but it’s not an improved customer service policy. On Tuesday the Transportation Security Administration began a test-run at Logan of its SPOT program, which stands for Screening of Passengers by Observation Techniques... “...The vast majority of passengers will experience a casual greeting conversation with the BDO as they go through identity verification,” a TSA spokesperson said. “A small portion of passengers may get selected for an extended, but still limited conversation.” Since its creation in 2007, TSA’s SPOT program has grown almost fifteen-fold. As...