As Australia's love affair with big cars continues, how are we best placed to tackle on street parking congestion? Well, South Australia has proposed changes to planning legislation that would force developers to provide larger garages, so, in this edition of The Conversation Hour we ask whether we should we be doing the same in Victoria. Plus, President Trump has stated in his inauguration speech that it will be the official policy of the United States government that there are only two genders male and female — so how will this impact transgender rights here in Australia? And as Trump's 'meme coin' generates billions — what will a Trump presidency mean for crypto? Plus we get all the latest from the Australian Open.