Stephen Schwarzman, chairman and chief executive officer of Blackstone Group LP, pauses during a Bloomberg Television interview on the opening day of the World Economic Forum (WEF) in Davos, Switzerland, on Wednesday, Jan. 23, 2013. World leaders, Influential executives, bankers and policy makers attend the 43rd annual meeting of the World Economic Forum in Davos, the five day event runs from Jan. 23-27. Photographer: Simon Dawson/Bloomberg *** Local Caption *** Stephen Schwarzman Photo: Simon Dawson, Bloomberg / Copyright 2013 Bloomberg Finance LP, All Rights Reserved.