Macron expects 'concrete measures' from Biden call to rebuild trust

French President Emmanuel Macron will expect "concrete measures" from the US to restore trust when he has a phone call with US President Joe Biden on Wednesday, said Macron's office. Last week, France recalled its ambassadors from the US and Australia, after the US and Britain signed a nuclear submarine deal with Australia, causing Australia to scrap a multi-billion dollar French-designed submarine deal. FRANCE 24's International Affairs Editor Philip Turle explains.