Marco Rubio and Steve Witkoff are travelling to represent the US Trump says envoys traveling to Doha for Iran meeting On The Ground newsletter: Get a weekly dispatch from our international correspondents Get a weekly dispatch from our international correspondents Get a weekly international news dispatch Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice US envoys are flying into Doha for high-level peace talks amid a renewed