A highly-anticipated televised debate between US presidential candidates Kamala Harris and Donald Trump has begun, with both hoping to use the 90-minute affair to sway undecided voters. The pair met for the first time for the debate, hosted by the ABC television network. It is the only scheduled debate between the two ahead of the US presidential election on November 5. The debate began with a handshake with Harris introducing herself by name to Trump. Trump responded: “Nice to see you. Have fun.” The first questions focussed on economic issues, with Harris drawing on her background growing up…