People News Tracy Morgan undergoes kidney operation, to miss '30 Rock' episodes 12/20/2010 Tracy Morgan has undergone a kidney transplant and may miss at least two episodes of his sitcom "30 Rock" while he recovers, his publicist said. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Tracy Morgan 30 Rock Saturday Night Live