On Tuesday night in Philadelphia Donald Trump and Kamala Harris took part in what might be the only debate between them in this campaign. The race is extremely close: will the debate make any difference?  John Prideaux hosts with Charlotte Howard and Adam O’Neal. They’re joined by The Economist’s James Bennet, Lane Greene and Owen Winter.  This episode draws on audio from CBS and C-Span.   Transcripts of our podcasts are available via economist.com/podcasts Listen to what matters most, from global politics and business to science and technology—subscribe to Economist Podcasts+.