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 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business' 1:36 O.J. Simpson's cause of death revealed 2:03 Does Shakira still believe in love following Gerard Piqué split? 2:25 Oceanside Pier fire still smoldering