 And director James Cameron is paying tribute today to his right-hand man, John Landau, who died yesterday at 63, saying part of himself has been torn away. The Oscar-winning producer worked closely with Cameron on Titanic and the Avatar movies. His cause of death, still unclear. This is CBS News. Sponsored by Progressive Insurance. Looking for a career path with flexibility, great pay and benefits? Go to progressive.com slash careers and apply online today.