US President Joe Biden has departed Berlin after a brief visit to the German capital lasting about 20 hours. Air Force One, the aircraft which carries the US president, departed from Berlin early Friday evening. Biden arrived in Berlin on Thursday night. In the afternoon, Biden met with German Chancellor Olaf Scholz, French President Emmanuel Macron and UK Prime Minister Keir Starmer. He was also awarded the highest class of Germany’s Grand Cross of the Order of Merit, which is reserved for heads of state, by German President Frank-Walter Steinmeier in a ceremony at Berlin’s Bellevue Palace. T…