Apple CEO Tim Cook Testifies At Senate Hearing On U.S. Tax Code

WASHINGTON, DC - MAY 21: Apple CEO Timothy Cook returns from a break in his testimony before the Senate Homeland Security and Governmental Affairs Committee's Investigations Subcommittee about the company's offshore profit shifting and tax avoidance in the Dirksen Senate Office Building on Capitol Hill May 21, 2013 in Washington, DC. A Congressional report released Monday said that Apple, America's most profitable technology company, used a complex system of international subsidiaries and tax avoidance efforts to shift at least $74 billion from the reach of the Internal Revenue Service between 2009 and 2012. (Photo by Chip Somodevilla/Getty Images)