Kamala Harris finally phoned Donald Trump on Wednesday afternoon to concede the election, hours after the race was called and her devastating defeat was confirmed. But she had a warning for the president-elect, lecturing him even as she congratulated him. 'She discussed the importance of a peaceful transfer of power and being a president for all Americans,' a senior Harris aide said. Harris, during her campaign, repeatedly vowed to a be a president 'for all Americans.' She will concede to the nation at Howard University later today - almost 12 hours after the election was called for her Republican rival....