 BBC World Service, it's 10 o'clock GMT. This is Oliver Conway with the newsroom. US Democrats are discussing whether to replace Joe Biden as their presidential candidate after a poor debate against Donald Trump. I'm going to continue to move until we get the total ban on the total initiative relative to what we're going to do with more border patrol. President Trump? I really don't know what he said at the end of that sentence. I don't think he knows what he said either.