Happy Birthday GPS! GPS guests on our anniversary highlight reel, in order of appearance Presidential Candidate Barack Obama, July 13, 2008 Richard Holbrooke, Special Envoy to Afghanistan and Pakistan, April 19, 2009 Imran Khan, Pakistani Politician , February 22, 2009 Richard Holbrooke, Special Envoy to Afghanistan and Pakistan, April 19, 2009 Richard Haass, Author, May 10, 2009 Imran Khan, Pakistani Politician , February 22, 2009 Pervez Musharraf, Former Pakistani President, May 17, 2009 Shashi Tharoor, Former UN Undersecretary General May 10, 2009 Pervez Musharraf, Former Pakistani President, May 17, 2009 Lee Kuan Yew, Former Prime Minister, Singapore, September 21, 2008 Robert Gates, Secretary of Defense, May 3, 2009 Presidential Candidate Barack Obama, July 13, 2008 Hamid Karzai, President of Afghanistan, February 15, 2008 Gideon Rose, Editor, Foreign Affairs, May 24, 2009 Condoleeza Rice, U.S. Secretary of State, June 22, 2008 Queen Rania of Jordan, October 19, 2008 Condoleeza Rice, U.S. Secretary of State, June 22, 2008 Queen Rania of Jordan, October 19, 2008 Tzipi Livni, Former Foreign Minister, Israel, May 24, 2009 Dan Gillerman, Israeli Ambassador to the UN, July 20, 2008 Colin Powell, Former U.S. Secretary of State, December 14, 2008 John Burns, London Bureau Chief, The NY Times, June 29, 2008 Tony Blair, Former Prime Minister, England, June 1, 2008 James Baker, Former U.S. Secretary of State, April 5, 2009 Michael Ware, CNN Baghdad Correspondent, February 8, 2009 Christiane Amanpour, CNN Chief International Correspondent, June 8, 2008 Colin Powell, Former U.S. Secretary of State, December 14, 2008 James Baker, Former U.S. Secretary of State, April 5, 2009 Colin Powell, Former U.S. Secretary of State, December 14, 2008 Fawaz Gerges, Author, May 24, 2009 Henry Kissinger, Former U.S. Secretary of State, May 31, 2009 Stephen Cohen, Author, January 16, 2009 James Baker, Former U.S. Secretary of State, April 5, 2009 Mikhail Saakashvili, President of Georgia, August 31, 2008 Henry Kissinger, Former U.S. Secretary of State, May 31, 2009 Joshua Cooper Ramo, Author, April 12, 2009 Wen Jiabao, Premier, China, September 28, 2009 Minxin Pei, China Scholar, Carnegie Endowment for International Peace, August 10, 2008 Colin Powell, Former U.S. Secretary of State, December 14, 2008 Joshua Cooper Ramo, Author, May 31, 2009 Niall Ferguson, Harvard University, January 18, 2009 Ratan Tata, Chairman, Tata Group, November 30 2008 Robert Rubin, Former Treasury Secretary October 26, 2008 Martin Wolf, Columnist, Financial Times, March 1, 2009 Jeffery Sachs, Director Earth Institute, July 13 2008 Larry Summers, Former Treasury Secretary, July 13 2008 Martin Wolf, Columnist, Financial Times, March 1, 2009 Larry Summers, Former Treasury Secretary, July 13 2008 Thomas Friedman, Author, September 14, 2008 Gordon Brown, Prime Minister, England, February 1, 2009.