"We knew he would come in swinging, and he did swing." That's the analysis of US political expert Jeremy Ghez, who says that US President Donald Trump has a worldview that disrupts decades of US foreign policy, but what really matters to him is his brand name in defence of the middle classes. As part of our special coverage of Trump's first 100 days back in power, Ghez spoke to us in Perspective. We also hear from our Los Angeles correspondent Wassim Cornet on the Trump administration's unprecedented attack on US higher education.