Laurene Powell Jobs, chairman of Emerson Collective and widow of Apple Inc. founder Steve Jobs, listens at the annual Milken Institute Global Conference in Beverly Hills, California, U.S., on Monday, April 29, 2013. The Global Conference convenes chief executive officers, senior government officials and leading figures in the global capital markets to explore solutions to today’s most pressing challenges in business, health, government and education. Photographer: Patrick T. Fallon/Bloomberg via Getty Images