US President Joe Biden has used a prime-time address to the nation to call out Trump-led extremism, which he says is threatening the foundations of the Republic.
The attempt by Biden to marginalise Trump and his supporters is a pivot for the US leader, who has previously spoken passionately of his desire to bring back a sense of national unity.
Bruce Wolpe, a non-resident senior fellow at the United States Studies Centre, is quoted in this news piece broadcast on ABC PM.