Whoever wins Pennsylvania will probably win the presidency: according to The Economist’s forecast model it’s the most likely tipping point state. We’ve travelled to three different areas to assess how the campaign is going, and try to read the electoral tea leaves. Who’s winning in Pennsylvania? John Prideaux hosts with Charlotte Howard and Idrees Kahloon.  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+.  For more information about how to access Economist Podcasts+, please visit our FAQs page or watch our video explaining how to link your account.