 And director James Cameron's 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. We offer auto, home, and commercial auto insurance, plus a variety of business insurance options. Visit Progressive.com today.