Kimbal Musk is on a mission to revolutionize the American diet
When Elon Musk's brother, Kimbal, raffled off his own Model 3 Tesla this week, he raised more than $2 million for his non-profit group Big Green. The younger Musk has been working to increase food literacy among the nation's school kids and to increase access to fresh, wholesome food for people everywhere. Barry Petersen reports.