Emir of Qatar Sheikh Tamim bin Hamad al-Thani shakes hands with Iran's Foreign Minister Mohammad Javad Zarif during their meeting in Doha, Qatar October 3, 2017. Qatar News Agency/Handout via REUTERS     ATTENTION EDITORS - THIS PICTURE WAS PROVIDED BY A THIRD PARTY. NO RESALES. NO ARCHIVE.
Emir of Qatar Sheikh Tamim bin Hamad Al Thani shakes hands with Iran's Foreign Minister Mohammad Javad Zarif during their meeting in Doha on October 3, 2017. Qatar News Agency / REUTERS

How is it helpful for Doha to cosy up to Tehran?