President Joe Biden tripped as he walked down the stairs of the Itsukushima Shrine on Friday in his rush to greet Japanese Prime Minister Fumio Kishida. President Joe Biden tripped as he walked down the stairs of the Itsukushima ShrineBiden who is the oldest U.S. president, has faced and dismissed questions about his age, particularly as he campaigns for a second term in the White House. The Bidens were joining other G7 leaders and their spouses for a tour of Hiroshima's Peace Park and Memorial Museum. 'We'll figure it out,' Jill Biden said laughing, as the prime minister helped direct them to their marks on the floor. 'The G7 leaders reiterated their position that threats by Russia of nuclear weapon use, let alone its use are inadmissible.