President Trump's sweeping new set of tariffs impact friends and foe alike, but also on the list are uninhabited islands while glaring omissions include Russia and Iran.

US president says Iran initially wanted talks through intermediaries, but he thinks Tehran has changed its position.

Hudson Institute Senior Fellow Michael Doran says that "Donald Trump means business" regarding the Iranian nuclear program.

Iran and Russia took decisively different approaches in response to President Donald Trump's threats as Tehran vowed action against any "mischief" while the Kremlin remains tight-lipped.

Oil diplomacy could become a hallmark of Donald Trump's second term in office, if the last few weeks are any guide, but energy markets have mostly shrugged off his recent whirlwind of threats against Iran and Russia.