Catherine Ashton, the EU high representative for foreign affairs, and Iranian Foreign Minister Mohammad Javad Zarif share a light moment Tuesday at the start of two-day talks on Iran's nuclear program.
Two Iranian textile merchants wait for customers in Tehran's main bazaar. President Hassan Rouhani has raised hopes by reaching out to the West and promising to work for an end to sanctions. But his team has cautioned that the country's economic problems have deep roots.
Iran's President Hassan Rouhani waves as his motorcade leaves Tehran's Mehrabad Airport upon his arrival from New York Saturday, one day after he spoke to President Obama by phone.
Atta Kenare /AFP/Getty Images