US President Donald Trump tapped a previously unused legal provision to order new 50-percent tariffs on many Canadian goods. AFP/File | Mandel NGAN

Former deputy prime minister Barnaby Joyce was being interviewed on national broadcaster on Monday night when he interrupted the one-on-one to shriek "sit down!". AFP/File | GEORGE CHAN

Social media companies already have to navigate age checks in Australia, with a law requiring them to bar access to under-16s. AFP/File | STR

Rise Mzansi's Makashule Gana elected impeachment committee chairperson