In this episode of the Up First podcast, several key news stories are highlighted. The Biden administration has given Ukraine the green light to use longer-range US missiles against Russia, a decision influenced by Russia's deployment of North Korean troops and the uncertainty surrounding the incoming Trump administration's stance on the conflict. Meanwhile, world leaders are convening at the G20 summit in Brazil, grappling with the implications of Trump's return and their differing views on climate change and global governance. The episode also delves into the Trump administration's proposed strategy for tackling the fentanyl crisis, which sharply contrasts with the Biden administration's public health approach, sparking debate among experts.