Iran says it needs the 20% fuel for the Tehran Research Reactor, the source of all the medical isotopes used in its hospitals. What's the worst that can happen if they renege? They will some enriched fuel, which they can produce anyway. If is is a genuine offer, and boxes them in to not enriching to bomb grade, great. Obama, don't be a stooge for the Bibi! Take the deal.
Israeli vehicle hit in drive-by shooting in West Bank; no casualties reported (Haaretz)
from the article: Iran `still ready to negotiate solution to nuclear stand-off`