Tuesday on the NewsHour, hundreds are arrested as pro-Palestinian protests spread across college campuses. A key witness takes the stand in Donald Trump's hush money trial after the judge holds a hearing into whether the former president violated his gag order. Plus, with national elections underway, we examine the ethnic violence that has killed hundreds and displaced tens of thousands in India. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders