President Medvedev visits Venezuela this week as a Russian nuclear warship leads joint maneuvers.
The Joint Chiefs chairman may come closer to the views of the new president.
Obama will have to find a new balance between civil liberties and national security.
The alleged incursions into Syria, and previously into Pakistan, could be risky.
Could China's plan to help Pakistan build nuclear power plants be the first of many pacts in the region?
Amid growing opposition, Iraqi Prime Minister Nouri al-Maliki called on Sunday for more time to negotiate a plan that could begin US troop withdrawals in June 2009.
Bush says reforms must improve, not fetter, the free market; Europeans hint at more robust intervention.
Some tribes have forced insurgents from their area, but many risks remain.
With no progress on Iran, and setbacks on North Korea, the deal may be Bush's only nonproliferation feat.
The Shenzhou 7 launches Thursday in an era of global space cooperation.