David Letterman Returns to Late Show with Touching Tribute to Robin Williams

Paul McCartney Stops Concert For Marriage Proposal

Discovery Network's Controversial 'Bad Teachers' Canned After One Episode

Teacher Wows Students With Break Dance Moves

School Arms Staff With Guns, Performs Drills With Students

Author Sparks Controversy With Teacher-Student Sex Tabboo

Sleeping Beauty Queen To Compete For Miss USA

Oklahoma Elementary Schools Reduced To Rubble By Tornado

Schools Destroyed By Tornado Leaving Children Dead

As Newtown Holds Memorial, NRA Calls For Armed Officers At Schools