This week, Craig Kelly quit the Liberal Party to sit on the crossbench. It’s a huge risk for the Coalition - and any action on climate change.

Scott Morrison’s attempt to restart the political year was blown off course after one of his backbenchers was criticised for promoting misinformation about Covid-19. Today, Paul Bongiorno on the problems rogue Liberal MPs are making for the Prime Minister, and why it took him so long to rein them in.