April 3, 2013 4:52 am Biden, Clinton: Friends or Rivals in 2016 After seeing Hillary Clinton and Vice President Joe Biden at the Kennedy Center many are speculating about their political futures. NBC’s Tracie Potts reports. US & World Videos 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:36 O.J. Simpson's cause of death revealed 2:03 Does Shakira still believe in love following Gerard Piqué split? 2:36 Super dad makes Mario-themed obstacle course for son's birthday 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business'