US presumptive Democratic presidential candidate Joe Biden's selection of Senator Kamala Harris gives him a running mate who can appeal to African American voters who are core to Biden's base of support and serve as a fierce critic of President Donald Trump's record in office.
A former top state prosecutor in California, Senator Harris brings a law-and-order career record that will help Biden steer a tricky, centrist line between Black Lives Matter protesters and white Americans who worry about attacks on police funding.
At the same time, picking a woman who competed with Biden during the presidential primaries and attacked him memorably on race during a debate, shows Biden asserting a degree of self-confidence that he can forge a cooperative, working relationship with her, political analysts told Al Jazeera.

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