Day 16: How Trump won another trade war

As Donald Trump pauses tariffs on goods from Mexico and Canada, our US correspondents Mark Stone and James Matthews discuss the latest twist in the trade rows.     They also look at the announcement by Elon Musk that Mr Trump has agreed to shut down USAID - the agency that supports international development - and ask what it means for countries that rely on American help. You can email James, Martha and Mark on [email protected]