Award-winning historian Walter Russell Mead says, "The key political question of the twenty-first century is, ’How does the U.S.-China relationship develop?’"

The new agreement between Iran does not resolve the problem and complicates U.S. relations with regional allies, says CFR President Richard N. Haass.

Middle East expert Richard W. Murphy says the United States runs the risk of delaying the Israeli-Palestinian peace process by blackballing Hamas. Though opening relations with the group may be neces…

Karim Sadjadpour, a leading scholar on Iran, says even though Iran is a major funder for Hamas, it does not seem to have direct control over the Palestinian group.

Anthony H. Cordesman, a prominent analyst of the Iraq war, says if President Bush does not produce a credible, persuasive plan in his Iraq policy speech, “he is going to be perceived relatively quick…