Overview: The third in a series on the crisis in Libya with a report from CNN's Ben Wedeman. Piers interviews the man he replaced, Larry King. Next, a look into the suicide of former NFL player Dave Duerson with his ex-wife, Alicia, his son, Tregg and CNN Chief Medical Correspondent Dr. Sanjay Gupta. Lastly, and interview with Lindsay Lohan's father, Michael, on his daughter's latest legal troubles.