September 24, 2012 5:48 am Educators Address Classroom Challenges Educators focus on solutions to many classroom challenges at NBC’s third annual Education Nation summit. US & World Videos 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 1:01 Biden administration plans to reclassify marijuana as a Schedule III drug 2:28 King Charles returns to public duties amid cancer diagnosis 3:10 Nicole Kidman gushes over family's support at AFI honor 1:39 Benny Blanco talks falling in love with Selena Gomez