Billionaire David Simon, Founder and CEO of Simon Property Group, Dies at 64

David Simon, the billionaire CEO of Simon Property Group, the nation's largest mall developer and operator, has died at 64 after a battle with pancreatic cancer. He led the company for three decades and spearheaded over $40 billion in takeovers of other retail property companies. His son, Eli Simon, has been named as the new CEO and president, taking on a larger role in the company's operations.