Trump impeachment lawyers demand immediate acquittal in legal, political defence

US President Donald Trump's impeachment trial is set to begin in the Senate later on today. Trial rules released on Monday indicate Senate majority leader Mitch McConnell is committed to a speedy trial. This, as there is no guarantee witnesses or new evidence would be allowed in. Democrats have already accused the Republican leadership of orchestrating a cover-up. Camille Nedelec has the story.