Negotiating teams from America and Iran could return to Islamabad as early as the end of this week, days after 21 hours of talks in the Pakistani capital ended without a deal, Reuters reported.US President Donald Trump on Monday said that “we’ve been called by the other side” and “they want to work a deal”.A limited or temporary settlement remained possible as the two sides were cautiously approaching a de-escalation despite a total deficit of trust, according to analysts.But they warned that...