Tom Bradby is joined from an energised Democratic National Convention in Chicago by US Correspondent Dan Rivers and ITV's Election Analysts, the former Obama administration adviser Adam Hodge and Cook Political Report journalist Jessica Taylor. The three of them were there for the Obamas' roof-raising speeches and Biden's emotional farewell. But with the polls still so close, are enough of the party's target voters paying attention - or does Kamala Harris' team need to think differently to win their votes?