The Democratic Convention will be different this year. No packed arena, no cheering supporters, no balloons falling onto the anointed presidential nominee, Joe Biden. And with Christopher Hope on holiday, The Telegraph's US Editor, Ben Riley-Smith takes the reins to look at the challenges facing Mr Biden at the pared-down convention and beyond. Polling expert Larry Sabato breaks down the state of the race with less than three months to go, former Hillary Clinton political director Amanda Renteria tells us what happens when conventions go wrong, and Moe Vela, his former director of administration, shares his insights about Mr Biden, the person and politician.

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