But there are also foreboding signs from Trump. His behavior already looks like a new attempt to try to overturn the result if he loses after his conduct following the last election led to an invasion of the US Capitol by supporters who beat up police and tried to thwart the certification of Biden’s victory. Harris has said that she’s ready to respond if the ex-president makes a premature victory declaration, and his maneuverings suggest that, absent a clear victory by either side, uncertainty over the election could last days.