How Trump could fight an election loss

Donald Trump has been backsliding in the polls for months, but there are more signs with each passing week that he's unlikely to go down without a fight. So what are the ways, legitimate and otherwise, that the outcome of the election could be challenged by either Donald Trump or Joe Biden? And what happens next if one of them does? Today on The Signal, it's America's looming legitimacy crisis. Featuring: Dr Emma Shortis, Research Fellow, Social and Global Studies Centre, RMIT University