Joe Biden stumbles and almost falls over AGAIN while boarding Air Force One two weeks after slip-up

Joe Biden stumbled and almost fell over again while boarding Air Force One two weeks after his slip-up. New footage shows the president, 78, tripping as he walked up the stairs to the aircraft in the rain today. READ MORE: From Brexit breaking news to HD movie trailers, The Sun newspaper brings you the latest news videos and explainers from the UK and around the world. Become a Sun Subscriber and hit the bell to be the first to know Read The Sun: Like The Sun on Facebook: Follow The Sun on Twitter: Subscribe to The Sun on Snapchat: