US 2020 election: Who is Democratic candidate Marianne Williamson and what are her policies?

Self-help guru and US presidential candidate Marianne Williamson raised eyebrows at the second Democratic debate on Thursday night, not least for the way in which she bizarrely struck out at New Zealand’s Prime Minister Jacinda Ardern.Ms Williamson claimed her first act in the Oval Office would be to call Ms Ardern and "tell her, ‘girlfriend you are so wrong’, because the United States of America is going to be the best place in the world for a child to grow up”, taking i