Walter Isaacson on Jony Ive's departure from Apple

Jony Ive, Apple's chief design officer, announced he was leaving the company to form his own design firm that will continue to work closely with Apple. Tim Cook disputed a report about the departure and the company's ability to uphold its commitment to innovative design. Walter Isaacson, advisory partner at Perella Weinberg Partners and professor at Tulane, joins 'Squawk Box' to discuss.