FULL SHOW: Trump's trade war, anti-vaxxers in politics + the F1 returns to Melbourne

Australia hasn't secured an exemption to Trump's tariffs... yet. Now the "friendship" between the two countries is under threat.  And Formula 1 is back in Melbourne this weekend - could Oscar Piastri take out the win?  Plus, Australia's got one of the highest uptakes of vaccines in the world, but is rising anti-vax sentiment putting it at risk? Listen now:  01:09 - Trump's tariffs in action 12:09 - Anti-vax sentiment rising  24:29 - F1 in Melbourne Guest:  Dr Scott French, international trade expert, School of Economics at UNSW Dr Katie Attwell, professor and vaccine sentiment researcher, University of Western Australia  Michael Lamonato, motorsport journalist, Fox Sports Get the whole story from Hack: Follow us on Instagram Listen to our deep dive wherever you get your podcasts  Listen on the triple j app or on your radio live at 5:30pm