LIVE: Donald Trump arrives for presidential debate in Philadelphia

Donald Trump and Kamala Harris face off in Philadelphia tonight in their first — and possibly only — televised presidential debate of the condensed election campaign. READ MORE: The 90-minute debate will afford Harris, the 59-year-old vice-president, the chance to introduce herself to millions of undecided American voters as her rise in the polls has stuttered in recent weeks. Trump, 78, is expected to claim Harris has “flip-flopped” on her approach to immigration, energy and healthcare, and try to tie her to the perceived failures of the Biden administration. Read the best of our journalism: Subscribe to The Times and The Sunday Times YouTube channel: Find us on Facebook: Find us on Twitter: