Kamala Harris has taken a slim lead over Donald Trump in the US presidential race, a new poll showed Tuesday, as the Democrat slammed her rival for "weakness" during a media blitz four weeks before the election.
Vice President Harris and Republican former president Trump -- who was doing a three-hit airwaves blitz of his own Tuesday -- are deadlocked as they scramble to get out the vote and reach the sliver of Americans who remain undecided.
