Truck supervisor Bernard Levey with his family in front of their home in the then-new Levittown, Pa., housing development in 1950. Bernard Hoffman/Time Life/Getty Images hide caption toggle caption Bernard Hoffman/Time Life/Getty Images Living In The Middle Living In The Middle: Series Overview October 6, 2010 Being middle class in America once meant feeling secure. You could count on having a decent home and a steady paycheck. Over the past three years, that sense of security has eroded. In a new series, NPR profiles Americans who are feeling squeezed in the middle and fearing a slide to the bottom.