Secretary of State Marco Rubio has been a hidden hand throughout the talks to end the Iran war, helping craft the Trump administration’s strategy while privately advising the officials who play a more public role in the peace talks. ↧ Rubio takes behind-the-scenes role on Iran war, while keeping his o... The nation’s top diplomat has avoided the spotlight on the unpopular war, distance that could be politically advantageous. Those close to him say a future presidential run or a stint in the private sector could be on the table.