05/22/2012
https://www.presidency.ucsb.edu...
"Robert has been a close friend, one of my closest advisers, and an effective advocate from the podium for what this administration has been doing to move America forward."
"That brings up some challenges and opportunities for the White House, but it doesn't change the important role that Robert will continue to play on our team."
"I look forward to the visit of President Hu and to the U.S. and China working together effectively to address global challenges."
"I reaffirm my commitment to building a bilateral relationship that is comprehensive in scope, positive in achievement, and cooperative in nature."