France, May 24 -- Ahead of a May tour of the Middle East, US President Donald Trump revived a long-running dispute over the name of the body of water between Iran and the Arabian Peninsula - should it be called the Persian Gulf, the Arabian Gulf or just the Gulf?

A few days before the tripthat took him to Saudi Arabia, Qatar and the United Arab Emirates (UAE), Trump reportedly floated the idea of renaming the Persian Gulf the "Arabian Gulf".

It echoed an earlier decision to rename the Gulf of Mexico the "Gulf of America" in an executive order signed hours after he took office in January.

In the end,Trumpgave up on the idea during his week in the Middle East, resorting to realpolitik - perhaps wary of upsetting the Iranians even if it m...