Watch Senator John F. Kerry speak about global climate change, its implications for international security, and the diplomatic opportunities it presents.

John E. Herbst, director of the Atlantic Council’s Dinu Patriciu Eurasia Center and former  U.S. Ambassador to Ukraine, and Matthew Rojansky, director of the Kennan Institute at the Woodrow Wilson In…

John E. Herbst, director of the Atlantic Council's Dinu Patriciu Eurasia Center and former U.S. ambassador to Ukraine, and Matthew Rojansky, director of the Kennan Institute at the Woodrow Wilson Int…

Secretary Clinton discusses U.S. leadership and diplomatic efforts, as well as the global challenges of climate change, Middle East peace, conflict in Darfur, and the reconstruction of Iraq and Afgha…