But Washington and Tehran have not yet gone into detail during indirect negotiations on the question of which side will take first step

Britain, France and Germany urge all sides 'to seize the diplomatic opportunity' to salvage the 2015 nuclear deal

Media reports describe feelings of lack of trust and transparency as Washington moves to reenter pact Israel despises; Jerusalem said still hoping to bridge gaps

Ongoing covert actions against Tehran's nuclear program risk causing a rupture with Biden while unlikely to stop a new agreement that both Washington and Tehran want

TV report says top officials heading to US next week to lobby Washington to push for tighter international oversight of Iranian nuclear sites

But EU chief negotiator says 'much more hard work' needed to rescue 2015 deal; top Israeli security officials to head to US to lobby for improvements to the pact

But Foreign Ministry spokesman cautions that 'practical solutions are still far away'

Amassing high-grade fissile material is only the first step toward an atomic weapon, and Tehran's latest violation of the JCPOA does not substantially change the timeline

Diplomat summarizes 2 weeks of deliberations 'with satisfaction' as negotiations enter drafting stage; Israeli officials said concerned US will rush to rejoin

However, US president pleased that Tehran still taking part in Vienna talks aimed at finding a way back to nuclear deal