Back on campus: Biden condemns 'violent' protestors

<p>Response to student protests across the US have escalated to violence this week, with students clashing, and arrests now exceeding 1,000. </p><p>We hear from students and BBC colleagues from across the States.</p><p>And the Americast team speaks to Niall Ferguson, historian and senior fellow at the Hoover Institute at Stanford University, about how universities are responding to protests. HOSTS: • Justin Webb, Radio 4 presenter • Sarah Smith, North America editor • Marianna Spring, Disinformation & Social Media Correspondent </p><p>GUEST: • Niall Ferguson, historian and senior fellow at the Hoover Institute at Stanford University</p><p>GET IN TOUCH: • Join our online...