It is the ultimate sanction. But somehow for President Donald Trump – who once sought a Nobel Peace Prize for ending wars – military force has become a casual measure, a kind of background effect used to cajole Iran into diplomacy.

Donald Trump's actions this week have only confirmed he has run out of options and is now engaged in a simple war of wills, and calculations on who will run out of munitions…

As tensions with Iran escalate over the Strait of Hormuz, could Donald Trump’s pledge to end America’s forever wars turn into a new open-ended conflict?