Mideast expert David Makovsky says the widening conflict in the Middle East poses a huge challenge for Israeli Prime Minister Ehud Olmert and tests the viability of the Lebanese government.

Gary Samore, an expert on nuclear proliferation who took part in negotiations with North Korea in the 1990s for the Clinton administration, says the decision by North Korea to test a nuclear device w…

Germany and the United States look to present a united front against Russia for its actions in Ukraine, despite recent strains in the long-standing relationship, says expert William M. Drozdiak.

Michael A. Levi, a CFR expert on weapons technology, says North Korea’s missile tests were an effort not only to test these missiles, but to gain a measure of world attention, particularly from the U…

Don Oberdorfer, a leading Korea expert, says “important progress” has been made toward normalization of U.S.-North Korea relations.