I call on all Americans to reject the lie, and I condemn those who spread the lie for power, political gain, and for profit,' Biden said.President Joe Biden called on all Americans to reject the 'lie' of the 'great replacement' conspiracy theory.Biden tells Americans to reject the 'lie' of replacement theory, tears into those who spread it for 'power' and 'profit', calls white supremacy 'poison' and pleads to get assault rifles 'off our streets' after Buffalo gunman killed 10 in racist rampage