Kamala Harris has been dispatched on the campaign trail to convince black men that they are better off under Joe Biden amid fears they are abandoning the Democrats. The vice-president’s multi-state “economic opportunity tour” kicks off in the critical battleground of Georgia on Monday and heads to Michigan next week. Her office said Ms Harris will highlight the administration’s commitment to “underserved entrepreneurs”, and how the White House’s economic policies have created “a small business boom”. A White House official privately indicated a major focus of the tour will be engaging black men, with polls suggesting they have become disillusioned...