Arlington, VA - September 8, 2009 -- United States President Barack Obama delivers a national address directed to students across the nation, at a back to school event at Wakefield High School in Arlington, Virginia, USA, 08 September 2009.  President Obama delivered remarks to encourage students to study hard, stay in school and take responsibility for their own education on the first day of the school year for many children across America.  .Credit: Michael Reynolds - Pool via CNP