The US Congress is expected to let a deadline on re-imposing sanctions on Iran pass this week.
The deadline was triggered in October when US President Donald Trump refused to certify that Tehran is complying with the 2015 nuclear deal.
As our Washington correspondent Giles Gibson reports, a decision on the future of the deal now bounces back to the White House:
GENERIC: http://www.fsnradionews.com/feeds/1212-irandeal-gg.mp3
IN: "That deadline for..."
OUT: "...the Oval Office."
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