US President Donald Trump’s administration is starting to send staff back to some diplomatic missions in the Middle East that were evacuated or downsized amid tensions with Iran, two people familiar with the matter told Reuters. The posts in Lebanon, Israel, Saudi Arabia and Baghdad, Iraq, are among those where staff will return, the sources said. Family members will also be allowed to return to the US post in Riyadh, they added. The move suggests Washington sees a lower risk of the conflict...