You’re Fired! Why Trump waited until now to fire his National Security adviser

As President Trump makes the first major reshuffle of his top team – firing Mike Waltz as his national security adviser – our US correspondents Mark Stone and James Matthews ask why it took so long for the repercussions of Signal-gate to bite.   And, will the minerals deal between Ukraine and the US bring an end to the war a step closer?   If you've got a question you'd like the Trump100 team to answer, you can email it to [email protected].            Don't forget, you can also watch all episodes on our YouTube channel.