Mario Draghi, president of the European Central Bank. Some say he's super. Daniel Reinhardt /DPA/LANDOV hide caption

itoggle caption Daniel Reinhardt /DPA/LANDOV

Apple has bought a factory in Arizona that will be re-purposed to make sapphire glass. The material is used in the iPhone 5s, seen here, as well as in the wristwatch industry. Andy Wong/AP hide caption

itoggle caption Andy Wong/AP

Clinton-era Treasury secretary and former Obama economic adviser Lawrence Summers last week in Washington, D.C. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images