LONDON — It's Prince Harry's final showdown with Britain's tabloid media . The estranged royal arrived at London's High Court on Monday for his latest legal battle with one of Britain’s biggest news organizations. The cameras were lined up and the correspondents ready outside as he entered. Harry was feeling “confident and ready,” a spokesperson told NBC News ahead of the trial, which is set to last nine weeks. The Duke of Sussex leads a group of seven high-profile claimants, including Elton