An agreement between the US and Russia to slash their nuclear arsenals is in danger of collapse after a key Republican senator said it should not be voted on this year.

Will Barack Obama, the US president, succeed in ratifying this treaty soon or might it face greater opposition? And how would this impact future relations between the two countries?

Inside Story discusses.

This episode of Inside Story aired on Tuesday, November 16, 2010.

Source: Al Jazeera