Constanze Stelzenmüller on Ukraine's ‘difficult choice’ over a US peace plan that's backed by Russia; the G20 in South Africa - Sherwin Bryce-Peace from SABC News takes us through the key issues in Johannesberg; how China is run as an engineering state that excels at construction while the US has become a lawyerly society that favours obstruction with author Dan Wang; Hanan Elatr Khashoggi, the widow of murdered journalist Jamal Khashoggi on President Trump's defence of Saudi Crown Prince Mohammed bin Salman; a new era of bilateral film collaboration with filmmaker and actress Rachel Griffiths and Mitu Bhowmick Lange; and the week in federal politics with Mark Riley from 7News, and Sarah Ison from The Australian.