The Australian | MPs citizenship 'acid test' for Shorten: Turnbull The Australian Labor says the government's plan to refer Labor and crossbench MPs with doubt over their citizenship status to the High Court while protecting its own is “appalling”. Malcolm Turnbull this morning said the referral would be an “acid test” of Bill ... Citizenship showdown an 'acid test' for Bill Shorten: Malcolm Turnbull says Malcolm Turnbull wants to ensure celebrants aren't forced to preside over same-sex marriages |