US presidential candidates Kamala Harris and Donald Trump on Tuesday faced off in a lively televised debate, the only scheduled head-to-head between the two ahead of the November 5 election. The pair met for the first time for the debate, hosted by the ABC television network. It 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 in a middle class family, while Trump focussed on inflation and undocumented migrants. “Donald Trump ha…