UN nuclear boss says inspectors will visit Iran sites. Tehran says only after a final deal

TOKYO — The head of the U.N.’s nuclear agency signaled Wednesday that Iranian nuclear enrichment sites would be visited by his inspectors, a key component in the interim U.S.-Iran to reach an end to the war . But an Iranian diplomat promptly rejected this, saying such a visit can only come after a final deal — a denial that highlighted the precariousness of the ongoing negotiations.