Only Walter Cronkite could have summed up in two words the drive that propelled him to his iconic role as the most trusted voice in broadcast news.

In what looks like a margin call of massive proportions, billionaire media tycoon Sumner Redstone is being forced to unload $400 million worth of nonvoting shares in CBS and Viacom.

The entertainment industry is banding together to combat cancer. The Stand up to Cancer campaign launched this week, with a celebrity filled event at the Paley Center in Beverly Hills.

CBS announced today that is acquiring CNET Networks Inc., for $1.8 billion, at $11.50 per share.

Angelo Mozilo, who made news this week with his startlingly candid assessment of the nation’s housing market, is a self-made man.

To pay tuition when he attended Catholic high school, he got a job with a mortgage company during the week and continued to work in his father’s Bronx butcher shop on the weekends, according to his biography with The Horatio Alger Association.

Differences with her father, Sumner Redstone, have led Shari Redstone to consider selling her 20% stake in the family business, National Amusements.

Sumner Redstone posted a letter on Forbes.com Friday, saying he would weigh a fair offer from his daughter. Ms. Redstone issued a statement later in the day saying she would consider a sale, and noting that National Amusements had been “publicly valued at $8 billion.”