 And Donald Trump will be at the event tomorrow, will he? He should be. Many people are expecting him to come out with his vice presidential pick during the convention in the evening. And then he will, of course, speak on Thursday night. Matt Gorman, Republican strategist, was discussing the possible impact on the campaign of what happened in Pennsylvania with Mary Ann Marsh, who's a Democratic strategist. You're with the BBC World Service Live from London. This is NewsHour.