Nations participating in the Nuclear Suppliers Group summit will debate whether the deal undermines efforts towards nuclear nonproliferation and sets a precedent for other would-be nuclear powers.
Without Russia, NASA couldn’t send astronauts to the space station between 2010 and 2015.
US officials say the system is merely a protection against rogue states like Iran.
Seizing on the conflict in Georgia, East European countries are pushing for strong measures against an aggressive Moscow they say they know all too well.
Oil-pipeline routes, market leverage make struggle a 'battle for energy.'
This week's offensive is the latest setback to plans for the Nabucco pipeline, designed to wean Europe off Russian energy giant Gazprom.
The US bid to promote a fourth round of sanctions may get lost amid sharp dispute over Russian military action in Georgia.