Trump must admit defeat. I think what the president needs to do is, frankly, put his big boy pants on. He needs to acknowledge the fact that he lost and he needs to congratulate the winner. Almost four days after voters went to the polls in the us, an official result has yet to be called. Counting is continuing in several states, including pennsylvania and georgia. Joe biden, has a slender lead over donald trump in both and appears to be on course to win the presidency. The former Vice President needs just 17 more Electoral College votes in order to reach the magic number of 270 and mr biden is expected to make a televised address shortly. 0ur north america editor, jon sopel, reports from washington. Joe biden takes the lead in pennsylvania. Donald trump is now trailing. Joe biden has just taken the lead. Joe biden is winning the overwhelming share. This mightjust be the moment, the whole ballgame. The seemingly overwhelming lead that donald trump had in pennsylvania the day after the