Donald Trump’s primetime address on Wednesday evening provided little clarity on the US’s strategy in its war against Iran. Lucy Hough speaks to the Guardian’s global affairs correspondent, Andrew Roth.

Editorial: Without diplomacy or restraint, the economic shock will deepen and US soldiers may become embroiled in a quagmire

The president also again lashed out at NATO, even though it is a defensive alliance and not obligated to join in a member’s war of choice and aggression.