Biden's withdrawal from the US presidential race comes as no surprise, as security expert Frank Umbach explains. The Democrats must now hurry to close the gap - not least because of the fierceness that challenger Trump has recently brought back into the race.
Dr Frank Umbach in an NTV interview about the withdrawal of Joe Biden Dr Frank Umbach in an NTV interview about the withdrawal of Joe Biden
In an interview with NTV, CASSIS Fellow Dr Frank Umbach analyses the consequences of Joe Biden's withdrawal for the US presidential election campaign.
Dr. Frank Umbach in the NTV interview
© NTV
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