It was Donald Trump and Joe Biden's first face-to-face showdown. And in America, plenty of people were left with the impression that the whole thing was a mess. So did we learn anything new amid the 90 minutes of interjections and frustration? And in the aftermath of the debate, who do we think lost paint, and does any of it change the fight for the presidency? Kim Hoggard, non-resident fellow at the US Studies Centre spoke to the ABC's The Signal about the implications of the first debate.