US President Donald Trump has insisted the war would be worthwhile if it prevents Iran from obtaining a nuclear weapon.

Trump threatened further military action if negotiations break down and the U.S. does not receive the concessions from Iran it desires.

Secretary of State Marco Rubio is set to face a litany of questions about the Trump administration’s fragile and stalling diplomatic efforts around the world when he appears for…

Secretary of State Marco Rubio faces congressional scrutiny over the Trump administration's Iran war efforts and shifting diplomatic goals. He will also address escalating…