April 2, 2013 9:50 am North Korea's Harsh Threats The North Korean leader Kim Jong Un is making some noise, and the U.S. is paying attention, but there’s no panic. NBC’s Tracie Potts reports Local 9:55 Single mom sobs after landing dream job thanks to Pennsylvania Women Work 10:28 Family receives emotional surprise after daughter's cancer battle 3:48 Viral therapy dogs jump into action after tragic D.C. plane crash 0:28 ‘There was a collision': Air traffic control recording captures moment of crash 3:30 Witness describes seeing plane in moments before it crashed