Kamala Harris has introduced Minnesota governor Tim Walz as her running mate, turning to an affable longtime politician who Democrats hope can keep newfound party unity alive in a presidential campaign heading towards Election Day.The two made their first public appearance at a rally in Philadelphia just hours after Ms Harris announced vice presidential pick to take on the Republican ticket of former president Donald Trump and Ohio senator JD Vance.

Kamala Harris has introduced Minnesota governor Tim Walz as her running mate, turning to an affable longtime politician who Democrats hope can keep newfound party unity alive in a presidential campaign heading towards Election Day.The two made their first public appearance at a rally in Philadelphia just hours after Ms Harris announced vice presidential pick to take on the Republican ticket of former president Donald Trump and Ohio senator JD Vance.