Can the Olympics give sports like skateboarding, surfing a star turn?

<p>Skateboarding, surfing, karate and sports climbing are making their Olympic debuts in Tokyo, and all of them could benefit from a bit of Olympic exposure. We also talk about a bill in the Senate that would hold social media companies legally accountable for health misinformation on their sites. In Britain, a COVID-focused smartphone app has led to a &#8220;pingdemic.&#8221; The BBC explains.</p>