After Phone Calls And Tweets, Tensions Rise With Iran, Mexico And Australia

President Trump is continuing to conduct foreign policy on Twitter, with tweets about Iran on Thursday being the latest example:

On Wednesday, Trump followed up on a tense phone call he'd had with Australian Prime Minister Malcolm Turnbull about an Obama administration refugee resettlement agreement.

Here & Now's Jeremy Hobson talks with NPR's Ron Elving (@NPRrelving) about Trump's approach on foreign policy so far.