The story: In a speech before Iran’s diplomatic corps, Supreme Leader Ayatollah Ali Khamenei has addressed the merits of "flexibility" in foreign policy—arguing that it does not have to contradict one's principles. Khamenei's remarks come amid reports that Oman's Sultan Haytham bin Tareq Al Said will travel to Tehran, possibly to help jumpstart indirect talks between Iran and the US to revive the 2015 nuclear deal.

The coverage: Khamenei on May 20 set out what he said were the "principles" of successful foreign policy in a speech to foreign ministry officials and Iranian diplomats.

• The supreme leader said Iran's foreign policy needs to be built on dignity, wisdom, and expediency.
  
  
• Khamenei stated that "expediency" meant "realizing where to demonstrate flexibility" and maintained that...