It will still take some time before there is a first US-Iran deal, says Donald Trump. And Tehran is also tempering enthusiasm. Two things are still difficult. The end of the conflict between Israel and Hezbollah. And the frozen Iranian assets. Iran wants those funds unblocked before negotiations on its nuclear program can take place. Washington wants to use them as a carrot to force Iran into such an agreement. How exactly is this file structured? We answer four crucial questions.
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