July 21, 2010 1:26 pm Back to School Gadgets From talking binder clips to the Boogie Board LCD Writing Tablet, Steve Greenberg, author of Gadget Nation, has all the cool technology you need for school. US & World Videos 8:59 Raise a julep to the Kentucky Derby: The Lineup 0:32 Five people arrested in 2006 Philadelphia cold case 0:19 Body of missing kayaker found in the Schuylkill River 2:00 Police officer placed on administrative duty after killing dog that attacked a man 0:51 Police officer shot and killed 1 of 4 dogs that attacked a 53-year-old man