Trump boasts 'turnaround for the ages' in State of the Union address

US President Donald Trump boasted Tuesday of a "turnaround for the ages" in a State of the Union speech, seeking to reverse his dismal polls and see off mounting challenges at home and abroad ahead of crucial midterm elections. Arriving to address a joint session of Congress, Trump was welcomed with cheers and a standing ovation from Republicans while Democrats remained seated in protest. Follow our liveblog for the latest updates.