No #2 – Republicans say no to START

Whose pro-nuclear weapons?

Obama warned that failure to ratify the treaty would put at risk warming ties with Russia, which has helped impose tougher sanctions on Iran and allowed equipment destined for NATO forces in Afghanistan through its territory.

Speaking during a NATO summit, he showed no sign of backing down from his demand that the Senate move speedily to approve the treaty, despite Republicans saying they do not think there is enough time this year to resolve outstanding differences.