US President Donald Trump said on Saturday that he was considering cancelling a planned series of concerts on Washington’s National Mall commemorating the nation’s 250th anniversary after a string of artists withdrew from the event, and replacing them with a speech and political-style rally instead.The concerts were planned as part of the larger Great American State Fair, a 16-day event running from June 25 to July 10, 2026.Organisers said the fair, organised by the Freedom 250 group,...