The world's rules-based order is ruptured, says Canada's prime minister Mark Carney — in a speech at Davos that avoided mentioning the US president. Donald Trump hit back — but Carney's words have been widely praised and analysed. So, is he right?
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Host: Adrian Finighan
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Who is Iran's new leader?
24:20

How will Gulf states react as Iranian attacks continue?
25:08

How far will the Iran war spillover?
24:54